CVE-2026-52968

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52968", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.375Z", "datePublished": "2026-06-24T16:28:47.438Z", "dateUpdated": "2026-10-19T19:47:10.859Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:32:12.815Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic\n\nkvm_s390_pci_aif_enable(), kvm_s390_pci_aif_disable(), and\naen_host_forward() index the GAIT by manually multiplying the index\nwith sizeof(struct zpci_gaite).\n\nSince aift->gait is already a struct zpci_gaite pointer, this\ndouble-scales the offset, accessing element aisb*16 instead of aisb.\n\nThis causes out-of-bounds accesses when aisb >= 32 (with\nZPCI_NR_DEVICES=512)\n\nFix by removing the erroneous sizeof multiplication."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable code is reached through local KVM/VFIO s390 zPCI management paths, specifically the `KVM_S390_ZPCI_OP` VM ioctl and host interrupt forwarding, not through network packets.\nAC:L - Once zPCI AEN interpretation is available and an AISB index of 32 or higher is allocated, the bad pointer arithmetic deterministically accesses the wrong GAIT entry; no attacker-uncontrolled race is required.\nPR:L - The attacker needs local ability to operate a KVM VM with an associated VFIO zPCI device or equivalent VM-management access, but the vulnerable ioctl itself does not require a real init-namespace root capability check.\nUI:N - After the attacker can issue the relevant KVM/VFIO operations or trigger adapter events for the assigned device, exploitation does not require a separate victim user action.\nS:C - This is KVM host-side memory corruption in a virtualization/device-assignment path, so a plausible exploit crosses the VM or assigned-device security boundary into host kernel resources.\nC:H - The bug performs out-of-bounds reads from page-allocator memory through the misindexed GAIT entry and can expose host kernel memory contents or pointers.\nI:H - The registration and deregistration paths perform out-of-bounds writes to fields including `gisa`, `gisc`, `count`, `aisbo`, and `aisb`, making host kernel memory corruption and potential code execution defensible.\nA:H - The same out-of-bounds reads and writes can corrupt arbitrary adjacent kernel memory or dereference corrupted physical addresses, making host crash or panic a high-probability impact."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/interrupt.c", "arch/s390/kvm/pci.c"], "versions": [{"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "31a9d9f9942885aae356a1a57c79e82c5b5b0828", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "a99a25db131ece5e6c0f7632da606de631efe4f2", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "11b8ff5b930b351dd1f6f088dce0beb027ac92d0", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "b22a2da8792a7bfe743c1a922e77fa499ddedbe8", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "e7216651b94e92e5433fb2f54b77864642b4ea48", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "16d990a15491cf76cd6eef0846e1b4100e63261a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/interrupt.c", "arch/s390/kvm/pci.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.0", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/31a9d9f9942885aae356a1a57c79e82c5b5b0828"}, {"url": "https://git.kernel.org/stable/c/a99a25db131ece5e6c0f7632da606de631efe4f2"}, {"url": "https://git.kernel.org/stable/c/11b8ff5b930b351dd1f6f088dce0beb027ac92d0"}, {"url": "https://git.kernel.org/stable/c/b22a2da8792a7bfe743c1a922e77fa499ddedbe8"}, {"url": "https://git.kernel.org/stable/c/e7216651b94e92e5433fb2f54b77864642b4ea48"}, {"url": "https://git.kernel.org/stable/c/16d990a15491cf76cd6eef0846e1b4100e63261a"}], "title": "KVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-52968", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:23:40.668025Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T19:47:10.859Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52968", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.375Z", "datePublished": "2026-06-24T16:28:47.438Z", "dateUpdated": "2026-10-19T19:47:10.859Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:32:12.815Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic\n\nkvm_s390_pci_aif_enable(), kvm_s390_pci_aif_disable(), and\naen_host_forward() index the GAIT by manually multiplying the index\nwith sizeof(struct zpci_gaite).\n\nSince aift->gait is already a struct zpci_gaite pointer, this\ndouble-scales the offset, accessing element aisb*16 instead of aisb.\n\nThis causes out-of-bounds accesses when aisb >= 32 (with\nZPCI_NR_DEVICES=512)\n\nFix by removing the erroneous sizeof multiplication."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable code is reached through local KVM/VFIO s390 zPCI management paths, specifically the `KVM_S390_ZPCI_OP` VM ioctl and host interrupt forwarding, not through network packets.\nAC:L - Once zPCI AEN interpretation is available and an AISB index of 32 or higher is allocated, the bad pointer arithmetic deterministically accesses the wrong GAIT entry; no attacker-uncontrolled race is required.\nPR:L - The attacker needs local ability to operate a KVM VM with an associated VFIO zPCI device or equivalent VM-management access, but the vulnerable ioctl itself does not require a real init-namespace root capability check.\nUI:N - After the attacker can issue the relevant KVM/VFIO operations or trigger adapter events for the assigned device, exploitation does not require a separate victim user action.\nS:C - This is KVM host-side memory corruption in a virtualization/device-assignment path, so a plausible exploit crosses the VM or assigned-device security boundary into host kernel resources.\nC:H - The bug performs out-of-bounds reads from page-allocator memory through the misindexed GAIT entry and can expose host kernel memory contents or pointers.\nI:H - The registration and deregistration paths perform out-of-bounds writes to fields including `gisa`, `gisc`, `count`, `aisbo`, and `aisb`, making host kernel memory corruption and potential code execution defensible.\nA:H - The same out-of-bounds reads and writes can corrupt arbitrary adjacent kernel memory or dereference corrupted physical addresses, making host crash or panic a high-probability impact."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/interrupt.c", "arch/s390/kvm/pci.c"], "versions": [{"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "31a9d9f9942885aae356a1a57c79e82c5b5b0828", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "a99a25db131ece5e6c0f7632da606de631efe4f2", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "11b8ff5b930b351dd1f6f088dce0beb027ac92d0", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "b22a2da8792a7bfe743c1a922e77fa499ddedbe8", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "e7216651b94e92e5433fb2f54b77864642b4ea48", "status": "affected", "versionType": "git"}, {"version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "lessThan": "16d990a15491cf76cd6eef0846e1b4100e63261a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/interrupt.c", "arch/s390/kvm/pci.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.0", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/31a9d9f9942885aae356a1a57c79e82c5b5b0828"}, {"url": "https://git.kernel.org/stable/c/a99a25db131ece5e6c0f7632da606de631efe4f2"}, {"url": "https://git.kernel.org/stable/c/11b8ff5b930b351dd1f6f088dce0beb027ac92d0"}, {"url": "https://git.kernel.org/stable/c/b22a2da8792a7bfe743c1a922e77fa499ddedbe8"}, {"url": "https://git.kernel.org/stable/c/e7216651b94e92e5433fb2f54b77864642b4ea48"}, {"url": "https://git.kernel.org/stable/c/16d990a15491cf76cd6eef0846e1b4100e63261a"}], "title": "KVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-52968", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:23:40.668025Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:23:41.191Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/s390/kvm/interrupt.c", "arch/s390/kvm/pci.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "31a9d9f9942885aae356a1a57c79e82c5b5b0828", "status": "affected", "version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "versionType": "git"}, {"lessThan": "a99a25db131ece5e6c0f7632da606de631efe4f2", "status": "affected", "version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "versionType": "git"}, {"lessThan": "11b8ff5b930b351dd1f6f088dce0beb027ac92d0", "status": "affected", "version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "versionType": "git"}, {"lessThan": "b22a2da8792a7bfe743c1a922e77fa499ddedbe8", "status": "affected", "version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "versionType": "git"}, {"lessThan": "e7216651b94e92e5433fb2f54b77864642b4ea48", "status": "affected", "version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "versionType": "git"}, {"lessThan": "16d990a15491cf76cd6eef0846e1b4100e63261a", "status": "affected", "version": "73f91b004321f2510fa79e66035dbbf1870fcf56", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/s390/kvm/interrupt.c", "arch/s390/kvm/pci.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.0"}, {"lessThan": "6.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.175", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.141", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.91", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.33", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58CA276A-38F2-4887-9AE9-787C2AF59753", "versionEndExcluding": "6.1.175", "versionStartIncluding": "6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "97A9FFFA-22BB-4D5C-9790-5A2286E392F7", "versionEndExcluding": "6.6.141", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C918746B-DE6F-448F-A93E-A04C5481688D", "versionEndExcluding": "6.12.91", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96D99E49-380D-43AB-BDBA-25C3AD018A9C", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A13475D2-59BF-4716-94B5-7C1D239A2CF4", "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic\n\nkvm_s390_pci_aif_enable(), kvm_s390_pci_aif_disable(), and\naen_host_forward() index the GAIT by manually multiplying the index\nwith sizeof(struct zpci_gaite).\n\nSince aift->gait is already a struct zpci_gaite pointer, this\ndouble-scales the offset, accessing element aisb*16 instead of aisb.\n\nThis causes out-of-bounds accesses when aisb >= 32 (with\nZPCI_NR_DEVICES=512)\n\nFix by removing the erroneous sizeof multiplication."}], "id": "CVE-2026-52968", "lastModified": "2026-10-19T20:18:51.607", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-52968", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:23:40.668025Z", "version": "2.0.3"}}]}, "published": "2026-06-24T17:17:07.243", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11b8ff5b930b351dd1f6f088dce0beb027ac92d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/16d990a15491cf76cd6eef0846e1b4100e63261a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/31a9d9f9942885aae356a1a57c79e82c5b5b0828"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a99a25db131ece5e6c0f7632da606de631efe4f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b22a2da8792a7bfe743c1a922e77fa499ddedbe8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7216651b94e92e5433fb2f54b77864642b4ea48"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: KVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic", "id": "2492289", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492289"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-468", "details": ["A flaw was found in the Linux kernel's KVM (Kernel-based Virtual Machine) subsystem, specifically affecting s390 PCI devices. This vulnerability arises from incorrect pointer arithmetic during the indexing of the Guest Access Instruction Table (GAIT), leading to out-of-bounds memory access. A local attacker or a malicious guest operating system could exploit this to read or write data beyond allocated memory boundaries, potentially causing system instability or a denial of service."], "name": "CVE-2026-52968", "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": "Under investigation", "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"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-52968\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-52968\nhttps://lore.kernel.org/linux-cve-announce/2026062438-CVE-2026-52968-8803@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73f91b004321f2510fa79e66035dbbf1870fcf56,31a9d9f9942885aae356a1a57c79e82c5b5b0828)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73f91b004321f2510fa79e66035dbbf1870fcf56,a99a25db131ece5e6c0f7632da606de631efe4f2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73f91b004321f2510fa79e66035dbbf1870fcf56,11b8ff5b930b351dd1f6f088dce0beb027ac92d0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73f91b004321f2510fa79e66035dbbf1870fcf56,b22a2da8792a7bfe743c1a922e77fa499ddedbe8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73f91b004321f2510fa79e66035dbbf1870fcf56,e7216651b94e92e5433fb2f54b77864642b4ea48)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73f91b004321f2510fa79e66035dbbf1870fcf56,16d990a15491cf76d6eef0846e1b4100e63261a)"}}], "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": "6.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.175,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.141,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-24T18:30:06.420473+00:00", "updated": "2026-08-12T06:15:04.801701+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}