CVE-2026-23127 | Linux Kernel up to 6.18.7 lib/refcount.c perf_mmap_rb use after free (Nessus ID 299181 / WID-SEC-2026-0421)

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.18.7. This vulnerability affects the function perf_mmap_rb in the library lib/refcount.c. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2026-23127. The attack can only be done within the local network. There is not any...