Security Advisory

CVE-2026-63953

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-19 14:55:45

Last updated 2026-07-19 14:55:45

Assigner Linux

CVSS score not scored

State PUBLISHED

Description

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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