UBUNTU-CVE-2022-1055
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
50 explicit affected versions
6 explicit affected versions
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6 explicit affected versions
16 explicit affected versions
42 explicit affected versions
11 explicit affected versions
6 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
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9 explicit affected versions
2 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
46 explicit affected versions
6 explicit affected versions
54 explicit affected versions
12 explicit affected versions
45 explicit affected versions
10 explicit affected versions
29 explicit affected versions
1 explicit affected versions
1 explicit affected versions
26 explicit affected versions
6 explicit affected versions
29 explicit affected versions
13 explicit affected versions
47 explicit affected versions
33 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
45 explicit affected versions
42 explicit affected versions
1 explicit affected versions
13 explicit affected versions
24 explicit affected versions
5 explicit affected versions
1 explicit affected versions
5 explicit affected versions
36 explicit affected versions
1 explicit affected versions
35 explicit affected versions
13 explicit affected versions
2 explicit affected versions
10 explicit affected versions
5 explicit affected versions
32 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
29 explicit affected versions
38 explicit affected versions
9 explicit affected versions
35 explicit affected versions
14 explicit affected versions
4 explicit affected versions
35 explicit affected versions
43 explicit affected versions
2 explicit affected versions
36 explicit affected versions
4 explicit affected versions
24 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
- https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
- https://ubuntu.com/security/CVE-2022-1055
- https://ubuntu.com/security/notices/USN-5358-1
- https://ubuntu.com/security/notices/USN-5358-2
- https://ubuntu.com/security/notices/USN-5368-1
- https://ubuntu.com/security/notices/USN-5377-1
- https://www.cve.org/CVERecord?id=CVE-2022-1055