{"api_version":"1","generated_at":"2026-07-20T14:42:15+00:00","cve":"CVE-2026-64129","urls":{"html":"https://cve.report/CVE-2026-64129","api":"https://cve.report/api/cve/CVE-2026-64129.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64129","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64129"},"summary":{"title":"mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page\n\nWhen check_stable_address_space() fails after the PMD spinlock has\nbeen acquired via pmd_lock(), the code jumps directly to the abort\nlabel, bypassing the spin_unlock() call in unlock_abort. This causes\nthe PMD spinlock to be permanently held, leading to a deadlock.\n\nChange the goto target from abort to unlock_abort to ensure the\nspinlock is always released on this error path.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:54","updated_at":"2026-07-19 16:17:54"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c715f7ccf7a294c058667b678a4ba50fad933c62","name":"https://git.kernel.org/stable/c/c715f7ccf7a294c058667b678a4ba50fad933c62","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/63451de16e0a08be40f9ab5e7c5c8f5c79676fb1","name":"https://git.kernel.org/stable/c/63451de16e0a08be40f9ab5e7c5c8f5c79676fb1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64129","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64129","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a30b48bf1b244f11bf9b6d20cdccfe0c2264130c c715f7ccf7a294c058667b678a4ba50fad933c62 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a30b48bf1b244f11bf9b6d20cdccfe0c2264130c 63451de16e0a08be40f9ab5e7c5c8f5c79676fb1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 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":["mm/migrate_device.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c715f7ccf7a294c058667b678a4ba50fad933c62","status":"affected","version":"a30b48bf1b244f11bf9b6d20cdccfe0c2264130c","versionType":"git"},{"lessThan":"63451de16e0a08be40f9ab5e7c5c8f5c79676fb1","status":"affected","version":"a30b48bf1b244f11bf9b6d20cdccfe0c2264130c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["mm/migrate_device.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","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":"7.0.11","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page\n\nWhen check_stable_address_space() fails after the PMD spinlock has\nbeen acquired via pmd_lock(), the code jumps directly to the abort\nlabel, bypassing the spin_unlock() call in unlock_abort. This causes\nthe PMD spinlock to be permanently held, leading to a deadlock.\n\nChange the goto target from abort to unlock_abort to ensure the\nspinlock is always released on this error path."}],"providerMetadata":{"dateUpdated":"2026-07-19T15:40:25.385Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c715f7ccf7a294c058667b678a4ba50fad933c62"},{"url":"https://git.kernel.org/stable/c/63451de16e0a08be40f9ab5e7c5c8f5c79676fb1"}],"title":"mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64129","datePublished":"2026-07-19T15:40:25.385Z","dateReserved":"2026-07-19T07:54:57.036Z","dateUpdated":"2026-07-19T15:40:25.385Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:54","lastModifiedDate":"2026-07-19 16:17:54","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64129","Ordinal":"1","Title":"mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_","CVE":"CVE-2026-64129","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64129","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page\n\nWhen check_stable_address_space() fails after the PMD spinlock has\nbeen acquired via pmd_lock(), the code jumps directly to the abort\nlabel, bypassing the spin_unlock() call in unlock_abort. This causes\nthe PMD spinlock to be permanently held, leading to a deadlock.\n\nChange the goto target from abort to unlock_abort to ensure the\nspinlock is always released on this error path.","Type":"Description","Title":"mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_"}]}}}