UBUNTU-CVE-2022-1882
A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
1 explicit affected versions
7 explicit affected versions
26 explicit affected versions
37 explicit affected versions
14 explicit affected versions
14 explicit affected versions
2 explicit affected versions
13 explicit affected versions
13 explicit affected versions
1 explicit affected versions
37 explicit affected versions
4 explicit affected versions
4 explicit affected versions
7 explicit affected versions
9 explicit affected versions
33 explicit affected versions
16 explicit affected versions
12 explicit affected versions
4 explicit affected versions
38 explicit affected versions
6 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
1 explicit affected versions
10 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
5 explicit affected versions
12 explicit affected versions
26 explicit affected versions
7 explicit affected versions
5 explicit affected versions
17 explicit affected versions
15 explicit affected versions
3 explicit affected versions
23 explicit affected versions
11 explicit affected versions
5 explicit affected versions
5 explicit affected versions
12 explicit affected versions
44 explicit affected versions
15 explicit affected versions
4 explicit affected versions
4 explicit affected versions
5 explicit affected versions
6 explicit affected versions
9 explicit affected versions
12 explicit affected versions
12 explicit affected versions
13 explicit affected versions
7 explicit affected versions
3 explicit affected versions
5 explicit affected versions
18 explicit affected versions
16 explicit affected versions
43 explicit affected versions
35 explicit affected versions
12 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
12 explicit affected versions
12 explicit affected versions
12 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.
05 / REFERENCES
Further evidence
- https://lore.kernel.org/lkml/[email protected]/T/
- https://lore.kernel.org/lkml/[email protected]/
- https://ssd-disclosure.com/ssd-advisory-linux-config_watch_queue-lpe/
- https://ubuntu.com/security/CVE-2022-1882
- https://ubuntu.com/security/notices/USN-5667-1
- https://ubuntu.com/security/notices/USN-5683-1
- https://ubuntu.com/security/notices/USN-5703-1
- https://www.cve.org/CVERecord?id=CVE-2022-1882