Linux kernel bug fix: bpf: don't select potentially stale ri->map from buggy xdp progs
Subsystem: bpf (kernel/bpf/verifier.c)
Bug type: use-after-free, severity: critical
Keywords: use after free;reference count
Files changed: kernel/bpf/verifier.c;net/core/filter.c
Introduced by John Fastabend on 2017-07-17 09:48:06 -0700; fixed by Daniel Borkmann on 2017-09-08 20:58:09 -0700 (lifetime: 53 days)