CVE-2026-31431. 100% Reliable Linux LPE — no race, no per-distro offsets, page-cache write that bypasses on-disk file-integrity tools and crosses containers. Found by Xint Code.
If your system is up-to-date, your kernel has probably already been patched. The patch was added to mainline on April 1, and I think every major distribution will have added it by now.
If your system is up-to-date, your kernel has probably already been patched. The patch was added to mainline on April 1, and I think every major distribution will have added it by now.