CVE-2026-63953
mm/migrate_device: fix pgtable leak in migrate_vma_insert_huge_pmd_page
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
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Affected Versions
Linux / Linux
a30b48bf1b244f11bf9b6d20cdccfe0c2264130c < 24861d04f197bb651e9dfb211978271c15f75a98 a30b48bf1b244f11bf9b6d20cdccfe0c2264130c < 2c6f81d58741349298f51ff697d988cb42881453
Linux / Linux
6.19