CVE-2026-63953

A flaw was found in the Linux kernel's memory management component, specifically within the mm/migratedevice module. When handling device page migration, a page table pgtable allocated during the migratevmainserthugepmdpage function may not be properly freed if a specific error condition occurs...

CVE-2026-63953 mm/migrate_device: fix pgtable leak in migrate_vma_insert_huge_pmd_page

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: fix pgtable leak in migratevmainserthugepmdpage When migratevmainserthugepmdpage jumps to unlockabort due to a PMD check failure, the pgtable allocated earlier via pteallocone is never freed, causing a memory...

CVE-2026-63953

A memory leak exists in the Linux kernel within the mm/migrate_device component. The vulnerability occurs in the migrate_vma_insert_huge_pmd_page() function when it jumps to unlock_abort due to a PMD check failure; in this scenario, the pgtable previously allocated via pte_alloc_one() is not free...

CVE-2026-63953: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: fix pgtable leak in migratevmainserthugepmdpage When migratevmainserthugepmdpage jumps to unlockabort due to a PMD check failure, the pgtable allocated earlier via pteallocone is never freed, causing a memory...