UBUNTU-CVE-2023-1390
A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
58 explicit affected versions
21 explicit affected versions
39 explicit affected versions
12 explicit affected versions
69 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
84 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
23 explicit affected versions
31 explicit affected versions
12 explicit affected versions
22 explicit affected versions
14 explicit affected versions
10 explicit affected versions
150 explicit affected versions
37 explicit affected versions
37 explicit affected versions
83 explicit affected versions
36 explicit affected versions
1 explicit affected versions
26 explicit affected versions
13 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
53 explicit affected versions
1 explicit affected versions
25 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
23 explicit affected versions
2 explicit affected versions
56 explicit affected versions
19 explicit affected versions
61 explicit affected versions
1 explicit affected versions
3 explicit affected versions
15 explicit affected versions
12 explicit affected versions
69 explicit affected versions
1 explicit affected versions
18 explicit affected versions
5 explicit affected versions
13 explicit affected versions
1 explicit affected versions
13 explicit affected versions
13 explicit affected versions
1 explicit affected versions
15 explicit affected versions
10 explicit affected versions
12 explicit affected versions
12 explicit affected versions
38 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
37 explicit affected versions
38 explicit affected versions
9 explicit affected versions
127 explicit affected versions
13 explicit affected versions
85 explicit affected versions
61 explicit affected versions
46 explicit affected versions
4 explicit affected versions
7 explicit affected versions
12 explicit affected versions
43 explicit affected versions
1 explicit affected versions
106 explicit affected versions
16 explicit affected versions
4 explicit affected versions
3 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.
05 / REFERENCES