{"id":"CVE-2026-64282","state":"PUBLISHED","title":"KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier\n\nIn the case that kvm_translate_vncr() races with an MMU notifier the\nearly return does not release a reference on the faulted in PFN. Add\nthe necessary call to kvm_release_faultin_page() for the unused PFN.","publishedAt":"2026-07-25T08:49:25.011Z","updatedAt":"2026-08-17T04:52:37.632Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"069a05e53549685d2b5e54ceb51db1fd04aa50d7","status":"affected","lessThan":"0c93681aea0a1b8be14730a88abe77c840272e41","versionType":"git"},{"version":"069a05e53549685d2b5e54ceb51db1fd04aa50d7","status":"affected","lessThan":"cd1067ccc0dbc18890a74db116d00a4bc3c7f2f7","versionType":"git"},{"version":"069a05e53549685d2b5e54ceb51db1fd04aa50d7","status":"affected","lessThan":"9f76b039a72d7e06374aa96862f0232ed53f7787","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/nested.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/nested.c"]}],"references":["https://git.kernel.org/stable/c/0c93681aea0a1b8be14730a88abe77c840272e41","https://git.kernel.org/stable/c/cd1067ccc0dbc18890a74db116d00a4bc3c7f2f7","https://git.kernel.org/stable/c/9f76b039a72d7e06374aa96862f0232ed53f7787"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64282.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64282","state":"PUBLISHED","datePublished":"2026-07-25T08:49:25.011Z","dateUpdated":"2026-08-17T04:52:37.632Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.777Z"},"containers":{"cna":{"title":"KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier\n\nIn the case that kvm_translate_vncr() races with an MMU notifier the\nearly return does not release a reference on the faulted in PFN. Add\nthe necessary call to kvm_release_faultin_page() for the unused PFN."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"069a05e53549685d2b5e54ceb51db1fd04aa50d7","status":"affected","lessThan":"0c93681aea0a1b8be14730a88abe77c840272e41","versionType":"git"},{"version":"069a05e53549685d2b5e54ceb51db1fd04aa50d7","status":"affected","lessThan":"cd1067ccc0dbc18890a74db116d00a4bc3c7f2f7","versionType":"git"},{"version":"069a05e53549685d2b5e54ceb51db1fd04aa50d7","status":"affected","lessThan":"9f76b039a72d7e06374aa96862f0232ed53f7787","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/nested.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/nested.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0c93681aea0a1b8be14730a88abe77c840272e41"},{"url":"https://git.kernel.org/stable/c/cd1067ccc0dbc18890a74db116d00a4bc3c7f2f7"},{"url":"https://git.kernel.org/stable/c/9f76b039a72d7e06374aa96862f0232ed53f7787"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:52:37.632Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}