Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.5%
CVSS Severity
CVSS v3 Score 5.5
References
Products affected by CVE-2026-64129
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cpe:2.3:o:linux:linux_kernel:6.19
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cpe:2.3:o:linux:linux_kernel:6.19.1
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cpe:2.3:o:linux:linux_kernel:6.19.10
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cpe:2.3:o:linux:linux_kernel:6.19.11
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cpe:2.3:o:linux:linux_kernel:6.19.12
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cpe:2.3:o:linux:linux_kernel:6.19.13
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cpe:2.3:o:linux:linux_kernel:6.19.14
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cpe:2.3:o:linux:linux_kernel:6.19.3
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cpe:2.3:o:linux:linux_kernel:6.19.4
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cpe:2.3:o:linux:linux_kernel:6.19.6
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cpe:2.3:o:linux:linux_kernel:6.19.7
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cpe:2.3:o:linux:linux_kernel:6.19.8
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cpe:2.3:o:linux:linux_kernel:6.19.9
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cpe:2.3:o:linux:linux_kernel:7.0
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cpe:2.3:o:linux:linux_kernel:7.0.1
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cpe:2.3:o:linux:linux_kernel:7.0.10
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cpe:2.3:o:linux:linux_kernel:7.0.2
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cpe:2.3:o:linux:linux_kernel:7.0.3
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cpe:2.3:o:linux:linux_kernel:7.0.4
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cpe:2.3:o:linux:linux_kernel:7.0.5
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cpe:2.3:o:linux:linux_kernel:7.0.6
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cpe:2.3:o:linux:linux_kernel:7.0.7
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cpe:2.3:o:linux:linux_kernel:7.0.8
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cpe:2.3:o:linux:linux_kernel:7.0.9
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cpe:2.3:o:linux:linux_kernel:7.1