CVE-2026-63953

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak occurs in the Linux kernel within the migrate vma insert huge pmd page() function. When a PMD (Page Middle Directory) check fails and the process jumps to unlock abort, the page table allocated by pte alloc one() is not released.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.