CVE-2026-64129
In the Linux kernel, the following vulnerability has been resolved: mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page When check_stable_address_space() fails after the PMD spinlock has been acquired via pmd_lock(), the code jumps directly to the abort label, bypassing the spin_unlock() call in unlock_abort. This causes the PMD spinlock to be permanently held, leading to a deadlock. Change the goto target from abort to unlock_abort to ensure the spinlock is always released on this error path.
- Score
- CVSS 3.1 5.5 Medium
- Status
- Analyzed - 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- Published
- 2026-07-19
- Last modified
- 2026-07-19
- Weaknesses
- CWE-401
Affected products
References
- https://git.kernel.org/stable/c/63451de16e0a08be40f9ab5e7c5c8f5c79676fb1
- https://git.kernel.org/stable/c/c715f7ccf7a294c058667b678a4ba50fad933c62
