CVE-2026-98792

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98792", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.370Z", "datePublished": "2026-10-18T15:48:31.098Z", "dateUpdated": "2026-10-21T12:57:01.669Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:57:01.669Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: generalize pending status bit\n\nRename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the\nflowtable GC worker until pending hw offload work has been completed.\n\nApparently, nf_flow_offload_stats() can schedule work to retrieve stats\nwhile the flow is being removed by GC.\n\nAnd this bit can also be used in a follow up patch to disable GC until\nthe flow has been fully added in both directions.\n\nRevert the reordering done in commit d644b23afe1e (\"netfilter:\nflowtable: publish HW_DEAD after worker is done\") to prevent a race\nbetween GC and hw offload handler."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/netfilter/nf_flow_table.h", "net/netfilter/nf_flow_table_core.c", "net/netfilter/nf_flow_table_offload.c", "net/sched/act_ct.c"], "versions": [{"version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "lessThan": "f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc", "status": "affected", "versionType": "git"}, {"version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "lessThan": "4d52b72f3aa68ad0536444e36530bda75070194c", "status": "affected", "versionType": "git"}, {"version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "lessThan": "4033e1a9262c57dfbfc594a591a50fcba63c531a", "status": "affected", "versionType": "git"}, {"version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "lessThan": "a2cac45848d1cf31ed190db30f90ba8211e9a8ca", "status": "affected", "versionType": "git"}, {"version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "lessThan": "7c549fb7eecd01fdba7c0d12c01da876ef8a3214", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/netfilter/nf_flow_table.h", "net/netfilter/nf_flow_table_core.c", "net/netfilter/nf_flow_table_offload.c", "net/sched/act_ct.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc"}, {"url": "https://git.kernel.org/stable/c/4d52b72f3aa68ad0536444e36530bda75070194c"}, {"url": "https://git.kernel.org/stable/c/4033e1a9262c57dfbfc594a591a50fcba63c531a"}, {"url": "https://git.kernel.org/stable/c/a2cac45848d1cf31ed190db30f90ba8211e9a8ca"}, {"url": "https://git.kernel.org/stable/c/7c549fb7eecd01fdba7c0d12c01da876ef8a3214"}], "title": "netfilter: flowtable: generalize pending status bit", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["include/net/netfilter/nf_flow_table.h", "net/netfilter/nf_flow_table_core.c", "net/netfilter/nf_flow_table_offload.c", "net/sched/act_ct.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc", "status": "affected", "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "versionType": "git"}, {"lessThan": "4d52b72f3aa68ad0536444e36530bda75070194c", "status": "affected", "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "versionType": "git"}, {"lessThan": "4033e1a9262c57dfbfc594a591a50fcba63c531a", "status": "affected", "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "versionType": "git"}, {"lessThan": "a2cac45848d1cf31ed190db30f90ba8211e9a8ca", "status": "affected", "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "versionType": "git"}, {"lessThan": "7c549fb7eecd01fdba7c0d12c01da876ef8a3214", "status": "affected", "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["include/net/netfilter/nf_flow_table.h", "net/netfilter/nf_flow_table_core.c", "net/netfilter/nf_flow_table_offload.c", "net/sched/act_ct.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: generalize pending status bit\n\nRename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the\nflowtable GC worker until pending hw offload work has been completed.\n\nApparently, nf_flow_offload_stats() can schedule work to retrieve stats\nwhile the flow is being removed by GC.\n\nAnd this bit can also be used in a follow up patch to disable GC until\nthe flow has been fully added in both directions.\n\nRevert the reordering done in commit d644b23afe1e (\"netfilter:\nflowtable: publish HW_DEAD after worker is done\") to prevent a race\nbetween GC and hw offload handler."}], "id": "CVE-2026-98792", "lastModified": "2026-10-21T13:21:46.803", "metrics": {}, "published": "2026-10-18T16:17:33.183", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4033e1a9262c57dfbfc594a591a50fcba63c531a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d52b72f3aa68ad0536444e36530bda75070194c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7c549fb7eecd01fdba7c0d12c01da876ef8a3214"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a2cac45848d1cf31ed190db30f90ba8211e9a8ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: netfilter: flowtable: generalize pending status bit", "id": "2555142", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555142"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-366", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: flowtable: generalize pending status bit\nRename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the\nflowtable GC worker until pending hw offload work has been completed.\nApparently, nf_flow_offload_stats() can schedule work to retrieve stats\nwhile the flow is being removed by GC.\nAnd this bit can also be used in a follow up patch to disable GC until\nthe flow has been fully added in both directions.\nRevert the reordering done in commit d644b23afe1e (\"netfilter:\nflowtable: publish HW_DEAD after worker is done\") to prevent a race\nbetween GC and hw offload handler.", "A flaw was found in the Linux kernel's netfilter flowtable component. This flaw allows an attacker to cause a denial of service (DoS) by crashing the operating system. A race condition exists between the connection cleanup worker and hardware offload handlers when background tasks run concurrently while expired network flows are being removed."], "name": "CVE-2026-98792", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98792\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98792\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98792.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2c8897953f3b2ff5498f3f275708a742bfcdbc24,4d52b72f3aa68ad0536444e36530bda75070194c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2c8897953f3b2ff5498f3f275708a742bfcdbc24,4033e1a9262c57dfbfc594a591a50fcba63c531a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2c8897953f3b2ff5498f3f275708a742bfcdbc24,a2cac45848d1cf31ed190db30f90ba8211e9a8ca)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2c8897953f3b2ff5498f3f275708a742bfcdbc24,7c549fb7eecd01fdba7c0d12c01da876ef8a3214)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.113,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.56,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.10,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-18T20:45:06.495380+00:00", "updated": "2026-10-24T04:30:08.036880+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}