CVE-2021-4034

Polkit pkexec (setuid) contains a local privilege escalation flaw where pkexec fails to validate the calling parameter count and may treat crafted environment variables as commands, enabling unprivileged users to execute arbitrary code with root privileges. This has been reported across multiple ...

CVE-2026-31431

CVE-2026-31431 is a local privilege escalation in the Linux kernel’s algif_aead/AF_ALG path. The root cause is an in-place operation bug in the AEAD handling, which can be exercised via AF_ALG sockets with the authencesn algorithm and splice() to corrupt the kernel page cache of readable files wi...

CVE-2022-27239

CVE-2022-27239 affects cifs-utils up to version 6.14, due to a stack-based buffer overflow when parsing the mount.cifs ip= argument, enabling local attackers to gain root privileges. A patched version is available (e.g., cifs-utils 6.14-2 and later per advisories). Remediation is to update to a f...