CVE-2026-64562

{"id": "CVE-2026-64562", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64562", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:42:52.528075Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"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"}, "impactScore": 6.0, "exploitabilityScore": 2.0}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "b82c3144d8264265448292ca406f60bafeba3b6f", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "4f50e6aec16f69627dbad5704d1e90a255d766a7", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "dc3eecfa219ebc9d01eaf7d1abd1441efe884dab", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "af56298e9d86e6098cd1d2e155cb2949b7c45412", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "589419470030a89f16cf19300658b6dc644ca946", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "8001d2ce9d9bd09118ce523aef595aa094573ae3", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "1dabef6e206568bf9d9ade74f6e56a48ea35695d", "versionType": "git"}, {"status": "affected", "version": "355f4fb1405ec29d0fac49b4d41fcd78cbd455d5", "lessThan": "622ebfac01ba4f9c0060cebd41257fe46fc4a0b3", "versionType": "git"}], "programFiles": ["arch/x86/kvm/vmx/nested.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.9"}, {"status": "unaffected", "version": "0", "lessThan": "4.9", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.265", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.216", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.183", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.148", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.101", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.42", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.6", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["arch/x86/kvm/vmx/nested.c"], "defaultStatus": "affected"}]}], "published": "2026-08-04T07:16:31.093", "references": [{"url": "https://git.kernel.org/stable/c/1dabef6e206568bf9d9ade74f6e56a48ea35695d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4f50e6aec16f69627dbad5704d1e90a255d766a7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/589419470030a89f16cf19300658b6dc644ca946", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/622ebfac01ba4f9c0060cebd41257fe46fc4a0b3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8001d2ce9d9bd09118ce523aef595aa094573ae3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/af56298e9d86e6098cd1d2e155cb2949b7c45412", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b82c3144d8264265448292ca406f60bafeba3b6f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc3eecfa219ebc9d01eaf7d1abd1441efe884dab", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: nVMX: Hide shadow VMCS right after VMCLEAR\n\nfree_nested() frees the shadow VMCS while vmcs01 still points to it. But\nbecause it is asynchronous with respect to loaded_vmcs_clear(), the vCPU\nmight migrate before the pointer is cleared and __loaded_vmcs_clear()\nmay then execute VMCLEAR.\n\nThe VMCS needs to stay attached until its explicit VMCLEAR completes, but\nthen it can be hidden and the page safely freed."}], "lastModified": "2026-11-13T18:18:19.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "649BBE7B-E300-4522-BEF2-9744B42E9E24", "versionEndExcluding": "5.10.265", "versionStartIncluding": "4.9.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E53EBB9F-3754-42D9-9B1B-A16E73848ED3", "versionEndExcluding": "5.15.216", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "621B79C8-2F65-4565-991D-62AAE146B524", "versionEndExcluding": "6.1.183", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6391AD0C-FE0C-4D09-8ACA-C9F7979254AE", "versionEndExcluding": "6.6.148", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4402C34-0450-4C2E-B4BF-63320A4A4FF9", "versionEndExcluding": "6.12.101", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1CD263AE-3BD4-43F3-AF24-6BA22541E0C2", "versionEndExcluding": "6.18.42", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D275C711-FF65-4C57-BA4D-CD9B5D7BF0A3", "versionEndExcluding": "7.1.6", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.9:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "592761F7-6672-484E-8490-1187F4CDD13E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.9:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FE21670A-9B31-4AED-93C4-171286BB2A56"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.9:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "059DF035-9B5B-4F84-8EDD-34534ECAA579"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.9:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B0288B1E-67AB-40F4-98C7-8C686510F664"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.9:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73A5C6E1-051D-4FDC-8034-BE2896C639F3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.9:rc8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F96570B2-47BE-4DEF-AAD8-909913366EA0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E8B9085-7ADB-4A05-89EF-12949B6A0509"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FC0D50D-9D58-4947-A197-A5A3FF07E7E3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6ECA620-8606-4230-A87D-3FF3EFE12592"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FAEA5EF-B1E7-4023-9E7A-90DE11D91F2B"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}