Linux Distros Unpatched Vulnerability : CVE-2026-89754

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/pagewalk: fix stale walk-action escaping walkpmdrange If -pmdentry sets walk-action = ACTIONAGAIN, the pmdnone check is retried. The PMD entry may be cleared...

CVE-2026-89754

A stale state bug in the Linux kernel's mm/pagewalk subsystem, specifically in walk_pmd_range(), allows a local attacker to trigger an out-of-bounds write in __mincore_unmapped_range via the mincore syscall. When walk->action is set to ACTION_AGAIN and the corresponding PMD entry is cleared be...