{"api_version":"1","generated_at":"2026-06-25T16:12:40+00:00","cve":"CVE-2026-53277","urls":{"html":"https://cve.report/CVE-2026-53277","api":"https://cve.report/api/cve/CVE-2026-53277.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53277","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53277"},"summary":{"title":"KVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation\n\nwalk_s1() and kvm_walk_nested_s2() expect to be called while holding\nkvm->srcu to guard against memslot changes. While this is generally\nthe case, __kvm_at_s12() and __kvm_find_s1_desc_level() call into the\nrespective walkers without taking kvm->srcu.\n\nFix by acquiring kvm->srcu prior to the table walk in both instances.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:45","updated_at":"2026-06-25 09:16:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/97706097f9b851cfe55c3b00b083dfc2bcf542bc","name":"https://git.kernel.org/stable/c/97706097f9b851cfe55c3b00b083dfc2bcf542bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ec42b4ed1b072ea2d03f086061aa67bad6d8de39","name":"https://git.kernel.org/stable/c/ec42b4ed1b072ea2d03f086061aa67bad6d8de39","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f2ca45b50d4216c9cc7ffabf50d9ad1932209251","name":"https://git.kernel.org/stable/c/f2ca45b50d4216c9cc7ffabf50d9ad1932209251","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53277","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53277","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected be04cebf3e78874627dc1042991d5d504464a5cc 97706097f9b851cfe55c3b00b083dfc2bcf542bc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected be04cebf3e78874627dc1042991d5d504464a5cc ec42b4ed1b072ea2d03f086061aa67bad6d8de39 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected be04cebf3e78874627dc1042991d5d504464a5cc f2ca45b50d4216c9cc7ffabf50d9ad1932209251 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/arm64/kvm/at.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"97706097f9b851cfe55c3b00b083dfc2bcf542bc","status":"affected","version":"be04cebf3e78874627dc1042991d5d504464a5cc","versionType":"git"},{"lessThan":"ec42b4ed1b072ea2d03f086061aa67bad6d8de39","status":"affected","version":"be04cebf3e78874627dc1042991d5d504464a5cc","versionType":"git"},{"lessThan":"f2ca45b50d4216c9cc7ffabf50d9ad1932209251","status":"affected","version":"be04cebf3e78874627dc1042991d5d504464a5cc","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/arm64/kvm/at.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation\n\nwalk_s1() and kvm_walk_nested_s2() expect to be called while holding\nkvm->srcu to guard against memslot changes. While this is generally\nthe case, __kvm_at_s12() and __kvm_find_s1_desc_level() call into the\nrespective walkers without taking kvm->srcu.\n\nFix by acquiring kvm->srcu prior to the table walk in both instances."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:40:00.458Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/97706097f9b851cfe55c3b00b083dfc2bcf542bc"},{"url":"https://git.kernel.org/stable/c/ec42b4ed1b072ea2d03f086061aa67bad6d8de39"},{"url":"https://git.kernel.org/stable/c/f2ca45b50d4216c9cc7ffabf50d9ad1932209251"}],"title":"KVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53277","datePublished":"2026-06-25T08:40:00.458Z","dateReserved":"2026-06-09T07:44:35.395Z","dateUpdated":"2026-06-25T08:40:00.458Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:45","lastModifiedDate":"2026-06-25 09:16:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53277","Ordinal":"1","Title":"KVM: arm64: Take the SRCU lock for page table walks in fault inj","CVE":"CVE-2026-53277","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53277","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation\n\nwalk_s1() and kvm_walk_nested_s2() expect to be called while holding\nkvm->srcu to guard against memslot changes. While this is generally\nthe case, __kvm_at_s12() and __kvm_find_s1_desc_level() call into the\nrespective walkers without taking kvm->srcu.\n\nFix by acquiring kvm->srcu prior to the table walk in both instances.","Type":"Description","Title":"KVM: arm64: Take the SRCU lock for page table walks in fault inj"}]}}}