Linux kernel bug fix: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().
Subsystem: networking/ipv4 (net/ipv4/tcp_ipv4.c)
Bug type: use-after-free, severity: security
Keywords: refcount;use after free
Files changed: net/ipv4/tcp_ipv4.c
Introduced by Eric Dumazet on 2017-12-13 14:33:10 -0500; fixed by Kuniyuki Iwashima on 2024-05-02 19:02:46 -0700 (lifetime: 2332 days)