CVE-2026-74337

CVE-2026-74337 describes a Linux kernel vulnerability where NMI/tracepoint BPF programs could re-enter per-CPU or global LRU locks held by bpf_lru_pop_free()/push_free(), causing AA-deadlock. The fix converts LRU lock sites to rqspinlock_t and adds a recovery path for failure windows to avoid nod...