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...

PT-2026-61446

In the Linux kernel, the following vulnerability has been resolved: mm/migrate device: fix spinlock leak in migrate vma insert huge pmd page When check stable address space fails after the PMD spinlock has been acquired via pmd lock, the code jumps directly to the abort label, bypassing the spin...