EUVD-2026-86249

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: properly account locked pages secretmem accounts folios by treating memory as if it were mlock'd and thus limited by the RLIMITMEMLOCK limit. However the folios are unevictable and remain so until the inode is...

CVE-2026-93243

The Linux kernel contains a vulnerability in secretmem where unevictable folios were not correctly accounted for under the RLIMIT_MEMLOCK limit. Because these folios remained unevictable even after being unmapped (relying on AS_UNEVICTABLE rather than PG_mlocked ) and were not included in a proce...

Linux Kernel (Ubuntu 16.04) - Reference Count Overflow Using BPF Maps

Exploit for linux platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=809 Most things in the kernel use 32-bit reference counters, relying on the fact that the memory constraints of real computers make it impossible to create enough references to...

Linux Kernel (Ubuntu 16.04) - Reference Count Overflow Using BPF Maps

Linux Kernel Ubuntu 16.04 - Reference Count Overflow Using BPF Maps Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=809 Most things in the kernel use 32-bit reference counters, relying on the fact that the memory constraints of real computers make it impossible to create enough...

Important: Red Hat Security Advisory: kernel security update

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating syste...