PT-2026-61270 · Linux · Linux

CVE-2026-63953

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Published

2026-07-19

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Updated

2026-07-19

None

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In the Linux kernel, the following vulnerability has been resolved:
mm/migrate device: fix pgtable leak in migrate vma insert huge pmd page
When migrate vma insert huge pmd page() jumps to unlock abort due to a PMD check failure, the pgtable allocated earlier via pte alloc one() is never freed, causing a memory leak.
Added free abort label to release the pgtable in error path.
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Related Identifiers

CVE-2026-63953

Affected Products

Linux