CVE-2026-90143

CVE-2026-90143 affects the Linux kernel in the KCM (Kernel Connection Multiplexor) subsystem. The function kcm_parse_func_strparser() calls bpf_prog_run_pin_on_cpu() , which prevents CPU migration but fails to establish an RCU read-side critical section . As a result, BPF map operations invoked f...