{"id":"CVE-2026-64129","summary":"mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page","details":"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.","modified":"2026-07-21T03:47:50.627085261Z","published":"2026-07-19T15:40:25.385Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64129.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/63451de16e0a08be40f9ab5e7c5c8f5c79676fb1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c715f7ccf7a294c058667b678a4ba50fad933c62"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64129.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64129"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a30b48bf1b244f11bf9b6d20cdccfe0c2264130c"},{"fixed":"c715f7ccf7a294c058667b678a4ba50fad933c62"},{"fixed":"63451de16e0a08be40f9ab5e7c5c8f5c79676fb1"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64129.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.11"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64129.json"}}],"schema_version":"1.7.5"}