CVE-2026-63953 | In the Linux kernel, the following vulnerability has been re…

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.

Metadata

CVE ID: CVE-2026-63953
State: PUBLISHED
Assigner: Linux
Reserved: 2026-07-19 07:54 UTC
Published: 2026-07-19 14:55 UTC
Last updated: 2026-07-19 14:55 UTC
Vendor / Product: Linux / Linux
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (2)

Vendor	Product	Platform	Versions
Linux	Linux	—	a30b48bf1b244f11bf9b6d20cdccfe0c2264130c < 24861d04f197bb651e9dfb211978271c15f75a98, a30b48bf1b244f11bf9b6d20cdccfe0c2264130c < 2c6f81d58741349298f51ff697d988cb42881453
Linux	Linux	—	6.19, 0 < 6.19, 7.0.12 ≤ 7.0., 7.1 ≤

References (2)