UBUNTU-CVE-2022-42720
Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
10 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
19 explicit affected versions
5 explicit affected versions
27 explicit affected versions
15 explicit affected versions
6 explicit affected versions
12 explicit affected versions
13 explicit affected versions
53 explicit affected versions
29 explicit affected versions
4 explicit affected versions
1 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
3 explicit affected versions
16 explicit affected versions
10 explicit affected versions
11 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
4 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
58 explicit affected versions
17 explicit affected versions
66 explicit affected versions
12 explicit affected versions
55 explicit affected versions
3 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
3 explicit affected versions
26 explicit affected versions
13 explicit affected versions
29 explicit affected versions
13 explicit affected versions
16 explicit affected versions
15 explicit affected versions
58 explicit affected versions
33 explicit affected versions
18 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
56 explicit affected versions
6 explicit affected versions
3 explicit affected versions
13 explicit affected versions
54 explicit affected versions
12 explicit affected versions
16 explicit affected versions
6 explicit affected versions
1 explicit affected versions
24 explicit affected versions
35 explicit affected versions
12 explicit affected versions
7 explicit affected versions
27 explicit affected versions
11 explicit affected versions
1 explicit affected versions
5 explicit affected versions
47 explicit affected versions
1 explicit affected versions
45 explicit affected versions
13 explicit affected versions
12 explicit affected versions
8 explicit affected versions
10 explicit affected versions
12 explicit affected versions
42 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
2 explicit affected versions
37 explicit affected versions
38 explicit affected versions
6 explicit affected versions
9 explicit affected versions
6 explicit affected versions
14 explicit affected versions
46 explicit affected versions
23 explicit affected versions
4 explicit affected versions
5 explicit affected versions
11 explicit affected versions
5 explicit affected versions
45 explicit affected versions
43 explicit affected versions
12 explicit affected versions
14 explicit affected versions
46 explicit affected versions
4 explicit affected versions
35 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2022/10/13/5
- https://access.redhat.com/security/cve/CVE-2022-42720
- https://bugzilla.suse.com/show_bug.cgi?id=1204059
- https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=0b7808818cb9df6680f98996b8e9a439fa7bcc2f
- https://ubuntu.com/security/CVE-2022-42720
- https://ubuntu.com/security/notices/USN-5691-1
- https://ubuntu.com/security/notices/USN-5692-1
- https://ubuntu.com/security/notices/USN-5693-1
- https://ubuntu.com/security/notices/USN-5700-1
- https://ubuntu.com/security/notices/USN-5708-1
- https://ubuntu.com/security/notices/USN-5752-1
- https://www.cve.org/CVERecord?id=CVE-2022-42720