Tracker / CVE-2024-49944
CVE-2024-49944
In the Linux kernel, the following vulnerability has been resolved: sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start In sctp_listen_start() invoked by sctp_inet_listen(), it should set the sk_state back to CLOSED if sctp_autobind() fails due to whatever reason. Otherwise, next time when calling sctp_inet_listen(), if sctp_sk(sk)->reuse is already set via setsockopt(SCTP_REUSE_PORT), sctp_sk(sk)->bind_hash will be dereferenced as sk_state is LISTENING, which causes a crash as bind_hash is NULL. KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:sctp_inet_listen+0x7f0/0xa20 net/sctp/socket.c:8617 Call Trace: <TASK> __sys_listen_socket net/socket.c:1883 [inline] __sys_listen+0x1b7/0x230 net/socket.c:1894 __do_sys_listen net/socket.c:1902 [inline]
Prodotti e versioni affette
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 2.6.30 → 5.10.227 |
| linux | linux_kernel · 5.11 → 5.15.168 |
| linux | linux_kernel · 5.16 → 6.1.113 |
| linux | linux_kernel · 6.11 → 6.11.3 |
| linux | linux_kernel · 6.2 → 6.6.55 |
| linux | linux_kernel · 6.7 → 6.10.14 |