CVE-2025-21939

CVE-2025-21939 affects the Linux kernel DRM: XEHmm code path. The root cause is dereference of struct page pointers obtained from hmm_range_fault() without holding the notifier lock (and with an invalid/unstable seqno), risking access to pages not owned by the kernel during sg-table construction....

CVE-2025-21939 drm/xe/hmm: Don't dereference struct page pointers without notifier lock

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hmm: Don't dereference struct page pointers without notifier lock The pnfs that we obtain from hmmrangefault point to pages that we don't have a reference on, and the guarantee that they are still in the cpu page-tables is...

PT-2025-14320 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the drm/xe/hmm component. The issue involves dereferencing struct page pointers without holding the notifier lock, whi...

SUSE-SU-2022:1939-1 Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP4)

This update for the Linux Kernel 4.12.14-9588 fixes several issues. The following security issues were fixed: - CVE-2022-1048: Fixed a race Condition in sndpcmhwfree leading to use-after-free due to the AB/BA lock with buffermutex and mmaplock bsc1197597. - CVE-2022-30594: Fixed restriction bypas...