Threats Tagged 'cve-2026-64129'
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Threats Tagged 'cve-2026-64129'
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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. Join the discussion | GCVE Database | 07/20/2026, 00:00:00 UTC Added: 07/21/2026, 19:58:58 UTC |
A vulnerability in the Linux kernel's memory management subsystem was fixed to address a spinlock leak in the migrate_vma_insert_huge_pmd_page function. The issue occurs when check_stable_address_space() fails after acquiring a PMD spinlock, causing the code to bypass the spin_unlock call and leading to a permanent lock and deadlock. The fix changes the error handling to ensure the spinlock is always released. Join the discussion | GCVE Database | 07/19/2026, 18:31:53 UTC Added: 07/19/2026, 19:38:16 UTC |
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