Linux Kernel Security Update Advisory (CVE-2026-43499)
An update advisory regarding a security vulnerability in the Linux kernel has been issued. The vulnerability is CVE-2026-43499, a “use-after-free” vulnerability in the Linux kernel’s RT Mutex (rtmutex). Affected Linux kernel versions include 2.6.39 Through 6.6.139, 6.12 Through 6.12.85, 6.18 Through 6.18.26, 7.0 Through 7.0.3, And versions prior to 7.1-Rc1.
