{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64129", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.036Z", "datePublished": "2026-07-19T15:40:25.385Z", "dateUpdated": "2026-07-19T15:40:25.385Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T15:40:25.385Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/migrate_device.c"], "versions": [{"version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c", "lessThan": "c715f7ccf7a294c058667b678a4ba50fad933c62", "status": "affected", "versionType": "git"}, {"version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c", "lessThan": "63451de16e0a08be40f9ab5e7c5c8f5c79676fb1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/migrate_device.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.11", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.1"}]}]}], "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"}}}}

{}

{}

{"bugzilla": {"description": "kernel: mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page", "id": "2502570", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502570"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's memory management component. This vulnerability, located in the `migrate_vma_insert_huge_pmd_page` function, can lead to a spinlock being permanently held if a specific address space check fails. This unreleased spinlock can cause a system deadlock, resulting in a Denial of Service (DoS) for affected systems."], "name": "CVE-2026-64129", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64129\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64129\nhttps://lore.kernel.org/linux-cve-announce/2026071926-CVE-2026-64129-c1ed@gregkh/T"]}

{}