CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89758

CVE-2026-89758 affects the Linux kernel mm/mempolicy subsystem. The root cause is in queue_folios_pmd(), which is called under pmd_trans_huge_lock(). Since pmd_is_huge() returns true for any non-present, non-none PMD (including device-private swap entries left by HMM-based GPU drivers ), a bogus ...

CVE-2026-89758 mm/mempolicy: skip non-present PMDs when queueing folios

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

PT-2026-90474

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/huge memory: add device-private THP support to PMD operations" a PMD may...

GSD-2022-1001352 mm/mempolicy: fix mpol_new leak in shared_policy_replace

mm/mempolicy: fix mpolnew leak in sharedpolicyreplace This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.16.20 by commit...