UBUNTU-CVE-2025-22062
In the Linux kernel, the following vulnerability has been resolved: sctp: add mutual exclusion in proc_sctp_do_udp_port() We must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start() or risk a crash as syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f] CPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653 Call Trace: <TASK> udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181 sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930 proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553 proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601 iter_file_splice_write+0x91c/0x1150 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158 splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x174/0x240 fs/splice.c:1227 do_sendfile+0xafd/0xe50 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64 fs/read_write.c:1415 [inline] __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
67 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
77 explicit affected versions
24 explicit affected versions
62 explicit affected versions
62 explicit affected versions
70 explicit affected versions
57 explicit affected versions
10 explicit affected versions
23 explicit affected versions
26 explicit affected versions
69 explicit affected versions
7 explicit affected versions
67 explicit affected versions
27 explicit affected versions
13 explicit affected versions
30 explicit affected versions
35 explicit affected versions
29 explicit affected versions
27 explicit affected versions
18 explicit affected versions
27 explicit affected versions
64 explicit affected versions
32 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
38 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
34 explicit affected versions
6 explicit affected versions
7 explicit affected versions
12 explicit affected versions
6 explicit affected versions
12 explicit affected versions
14 explicit affected versions
10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
5 explicit affected versions
12 explicit affected versions
12 explicit affected versions
27 explicit affected versions
23 explicit affected versions
21 explicit affected versions
20 explicit affected versions
10 explicit affected versions
37 explicit affected versions
8 explicit affected versions
13 explicit affected versions
26 explicit affected versions
10 explicit affected versions
44 explicit affected versions
26 explicit affected versions
2 explicit affected versions
13 explicit affected versions
16 explicit affected versions
29 explicit affected versions
13 explicit affected versions
74 explicit affected versions
27 explicit affected versions
27 explicit affected versions
69 explicit affected versions
32 explicit affected versions
33 explicit affected versions
23 explicit affected versions
38 explicit affected versions
10 explicit affected versions
6 explicit affected versions
5 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
54 explicit affected versions
70 explicit affected versions
10 explicit affected versions
26 explicit affected versions
28 explicit affected versions
1 explicit affected versions
46 explicit affected versions
21 explicit affected versions
33 explicit affected versions
13 explicit affected versions
32 explicit affected versions
16 explicit affected versions
71 explicit affected versions
36 explicit affected versions
3 explicit affected versions
5 explicit affected versions
2 explicit affected versions
51 explicit affected versions
15 explicit affected versions
28 explicit affected versions
12 explicit affected versions
59 explicit affected versions
57 explicit affected versions
27 explicit affected versions
44 explicit affected versions
29 explicit affected versions
8 explicit affected versions
34 explicit affected versions
5 explicit affected versions
3 explicit affected versions
8 explicit affected versions
10 explicit affected versions
5 explicit affected versions
32 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
5 explicit affected versions
10 explicit affected versions
12 explicit affected versions
17 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
37 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
25 explicit affected versions
8 explicit affected versions
70 explicit affected versions
7 explicit affected versions
4 explicit affected versions
59 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
68 explicit affected versions
58 explicit affected versions
58 explicit affected versions
13 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
31 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
5 explicit affected versions
25 explicit affected versions
59 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: sctp: add mutual exclusion in proc_sctp_do_udp_port() We must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start() or risk a crash as syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f] CPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653 Call Trace: <TASK> udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181 sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930 proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553 proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601 iter_file_splice_write+0x91c/0x1150 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158 splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x174/0x240 fs/splice.c:1227 do_sendfile+0xafd/0xe50 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64 fs/read_write.c:1415 [inline] __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/10206302af856791fbcc27a33ed3c3eb09b2793d
- https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d
- https://git.kernel.org/stable/c/d3d7675d77622f6ca1aae14c51f80027b36283f8
- https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581
- https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1
- https://ubuntu.com/security/CVE-2025-22062
- https://ubuntu.com/security/notices/USN-7594-1
- https://ubuntu.com/security/notices/USN-7594-2
- https://ubuntu.com/security/notices/USN-7594-3
- https://ubuntu.com/security/notices/USN-7605-1
- https://ubuntu.com/security/notices/USN-7605-2
- https://ubuntu.com/security/notices/USN-7606-1
- https://ubuntu.com/security/notices/USN-7628-1
- https://ubuntu.com/security/notices/USN-7654-1
- https://ubuntu.com/security/notices/USN-7654-2
- https://ubuntu.com/security/notices/USN-7654-3
- https://ubuntu.com/security/notices/USN-7654-4
- https://ubuntu.com/security/notices/USN-7654-5
- https://ubuntu.com/security/notices/USN-7655-1
- https://ubuntu.com/security/notices/USN-7686-1
- https://ubuntu.com/security/notices/USN-7711-1
- https://ubuntu.com/security/notices/USN-7712-1
- https://ubuntu.com/security/notices/USN-7712-2
- https://ubuntu.com/security/notices/USN-7835-1
- https://ubuntu.com/security/notices/USN-7835-2
- https://ubuntu.com/security/notices/USN-7835-3
- https://ubuntu.com/security/notices/USN-7835-4
- https://ubuntu.com/security/notices/USN-7835-5
- https://ubuntu.com/security/notices/USN-7835-6
- https://ubuntu.com/security/notices/USN-7887-1
- https://ubuntu.com/security/notices/USN-7887-2
- https://ubuntu.com/security/notices/USN-7940-1
- https://ubuntu.com/security/notices/USN-7940-2
- https://www.cve.org/CVERecord?id=CVE-2025-22062