CVE-2026-86567

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86567", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-08T02:56:53.901Z", "datePublished": "2026-10-14T17:50:03.467Z", "dateUpdated": "2026-11-11T13:50:56.346Z"}, "containers": {"cna": {"title": "Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "versions": [{"version": "2:25.11-2.el10_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:10.2"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "versions": [{"version": "2:25.11-2.el10_3", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:10.3"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "versions": [{"version": "0:23.11-3.el8_10", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "versions": [{"version": "2:25.11-2.el9_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "versions": [{"version": "2:25.11-2.el9_9", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grout", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.5", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.6", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.11", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.12", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.13", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.15", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.16", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.17", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.1", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grout", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.17", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.0", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.1", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.2", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.3", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.4", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.5", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.6", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.17", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:openshift:4"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.0", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:openshift:4"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.1", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:openshift:4"]}, {"vendor": "Red Hat", "product": "Red Hat OpenStack Platform 13 (Queens)", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openstack:13"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:94629", "name": "RHSA-2026:94629", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:94630", "name": "RHSA-2026:94630", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:96083", "name": "RHSA-2026:96083", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98505", "name": "RHSA-2026:98505", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98616", "name": "RHSA-2026:98616", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-86567", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529685", "name": "RHBZ#2529685", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-10-14T15:01:08.808Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "description": "Use After Free", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-416: Use After Free", "workarounds": [{"lang": "en", "value": "No mitigation is currently available."}], "timeline": [{"lang": "en", "time": "2026-09-08T02:48:46.769Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-10-14T15:01:08.808Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Ivar Al-Safawi for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-11T13:50:56.346Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T15:09:51.246480Z", "id": "CVE-2026-86567", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T15:10:26.570Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-86567", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T15:09:51.246480Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T15:10:04.432Z"}}], "cna": {"title": "Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap", "credits": [{"lang": "en", "value": "Red Hat would like to thank Ivar Al-Safawi for reporting this issue."}], "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "2:25.11-2.el10_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "dpdk", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:23.11-3.el8_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "dpdk", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "2:25.11-2.el9_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "dpdk", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "packageName": "grout", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "packageName": "openvswitch3.5", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "packageName": "openvswitch3.6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch2.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch2.12", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch2.13", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch2.15", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch2.16", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch2.17", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "openvswitch3.1", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "grout", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch2.17", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.0", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.1", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.5", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "openvswitch3.6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "openvswitch2.17", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "openvswitch3.0", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "openvswitch3.1", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openstack:13"], "vendor": "Red Hat", "product": "Red Hat OpenStack Platform 13 (Queens)", "packageName": "openvswitch", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}], "timeline": [{"lang": "en", "time": "2026-09-08T02:48:46.769Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-10-14T15:01:08.808Z", "value": "Made public."}], "datePublic": "2026-10-14T15:01:08.808Z", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:94629", "name": "RHSA-2026:94629", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:94630", "name": "RHSA-2026:94630", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:96083", "name": "RHSA-2026:96083", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-86567", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529685", "name": "RHBZ#2529685", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "workarounds": [{"lang": "en", "value": "No mitigation is currently available."}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "Use After Free"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-10T21:47:53.761Z"}, "x_redhatCweChain": "CWE-416: Use After Free"}}, "cveMetadata": {"cveId": "CVE-2026-86567", "state": "PUBLISHED", "dateUpdated": "2026-11-10T21:47:53.761Z", "dateReserved": "2026-09-08T02:56:53.901Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2026-10-14T17:50:03.467Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "defaultStatus": "affected", "packageName": "dpdk", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "2:25.11-2.el10_2", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10.3"], "defaultStatus": "affected", "packageName": "dpdk", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "2:25.11-2.el10_3", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"], "defaultStatus": "affected", "packageName": "dpdk", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:23.11-3.el8_10", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream"], "defaultStatus": "affected", "packageName": "dpdk", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "2:25.11-2.el9_8", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream"], "defaultStatus": "affected", "packageName": "dpdk", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "2:25.11-2.el9_9", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"], "defaultStatus": "affected", "packageName": "grout", "product": "Fast Datapath for RHEL 10", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.5", "product": "Fast Datapath for RHEL 10", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.6", "product": "Fast Datapath for RHEL 10", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch2.11", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch2.12", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch2.13", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "unaffected", "packageName": "openvswitch2.15", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch2.16", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch2.17", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "defaultStatus": "unaffected", "packageName": "openvswitch3.1", "product": "Fast Datapath for RHEL 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "grout", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch2.17", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.0", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.1", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.2", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.3", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.4", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.5", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "defaultStatus": "affected", "packageName": "openvswitch3.6", "product": "Fast Datapath for RHEL 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift:4"], "defaultStatus": "unaffected", "packageName": "openvswitch2.17", "product": "Red Hat OpenShift Container Platform 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift:4"], "defaultStatus": "unaffected", "packageName": "openvswitch3.0", "product": "Red Hat OpenShift Container Platform 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift:4"], "defaultStatus": "unaffected", "packageName": "openvswitch3.1", "product": "Red Hat OpenShift Container Platform 4", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openstack:13"], "defaultStatus": "affected", "packageName": "openvswitch", "product": "Red Hat OpenStack Platform 13 (Queens)", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap."}], "id": "CVE-2026-86567", "lastModified": "2026-11-11T14:17:48.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86567", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T15:09:51.246480Z", "version": "2.0.3"}}]}, "published": "2026-10-14T18:19:18.390", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:94629"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:94630"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:96083"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:98505"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:98616"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-86567"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529685"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Don Salvatore Nero for reporting this issue.", "bugzilla": {"description": "dpdk: dpdk: VDUSE handler fails to invalidate vring pointers when IOTLB is invalidated, leading to use-after-unmap", "id": "2529685", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529685"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available."}, "name": "CVE-2026-86567", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath", "fix_state": "Affected", "package_name": "grout", "product_name": "Fast Datapath for RHEL 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch3.5", "product_name": "Fast Datapath for RHEL 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch3.6", "product_name": "Fast Datapath for RHEL 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch2.11", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch2.12", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch2.13", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch2.15", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch2.16", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch2.17", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch3.1", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Affected", "package_name": "grout", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch2.17", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch3.0", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch3.1", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch3.2", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch3.3", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch3.4", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Affected", "package_name": "openvswitch3.5", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Will not fix", "package_name": "openvswitch3.6", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "dpdk", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "dpdk", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "dpdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openvswitch2.17", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openvswitch3.0", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openvswitch3.1", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Affected", "package_name": "openvswitch", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2026-10-14T15:01:08Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-86567\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-86567"], "statement": "A malicious VM with a VDUSE device can trigger this flaw via memory hot-remove, balloon inflation, or an IOMMU mapping change. Red Hat has rated this as having a security impact of Important.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "dpdk", "vendor": "dpdk"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Red Hat Enterprise Linux 10", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "red_hat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Red Hat Enterprise Linux 10", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "redhat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Fast Datapath for RHEL 10", "source": "cna", "vendor": "Red Hat"}, "product": "fast_datapath", "vendor": "redhat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Red Hat OpenShift Container Platform 4", "source": "cna", "vendor": "Red Hat"}, "product": "openshift_container_platform", "vendor": "redhat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat OpenStack Platform 13 (Queens)", "source": "cna", "vendor": "Red Hat"}, "product": "openstack_platform", "vendor": "redhat"}], "created": "2026-10-15T14:45:17.821817+00:00", "updated": "2026-10-26T22:37:46.565108+00:00", "vendors": ["dpdk", "dpdk$PRODUCT$dpdk", "red_hat", "red_hat$PRODUCT$enterprise_linux", "redhat", "redhat$PRODUCT$enterprise_linux", "redhat$PRODUCT$fast_datapath", "redhat$PRODUCT$openshift_container_platform", "redhat$PRODUCT$openstack_platform"]}