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 ...

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...