Linux kernel bug fix: bpf: Fix toctou on read-only map's constant scalar tracking
Subsystem: bpf (kernel/bpf/verifier.c)
Bug type: double-free, severity: medium
Keywords: double free;OOB
Files changed: include/linux/bpf.h;kernel/bpf/syscall.c;kernel/bpf/verifier.c
Introduced by Andrii Nakryiko on 2019-10-11 01:49:15 +0200; fixed by Daniel Borkmann on 2021-11-15 20:47:07 -0800 (lifetime: 766 days)