UBUNTU-CVE-2021-42008
The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
5 explicit affected versions
6 explicit affected versions
6 explicit affected versions
191 explicit affected versions
71 explicit affected versions
32 explicit affected versions
51 explicit affected versions
24 explicit affected versions
83 explicit affected versions
4 explicit affected versions
23 explicit affected versions
69 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
5 explicit affected versions
1 explicit affected versions
3 explicit affected versions
35 explicit affected versions
43 explicit affected versions
5 explicit affected versions
35 explicit affected versions
26 explicit affected versions
10 explicit affected versions
135 explicit affected versions
19 explicit affected versions
68 explicit affected versions
49 explicit affected versions
1 explicit affected versions
20 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
65 explicit affected versions
1 explicit affected versions
37 explicit affected versions
33 explicit affected versions
10 explicit affected versions
50 explicit affected versions
11 explicit affected versions
6 explicit affected versions
73 explicit affected versions
7 explicit affected versions
35 explicit affected versions
2 explicit affected versions
69 explicit affected versions
31 explicit affected versions
1 explicit affected versions
3 explicit affected versions
14 explicit affected versions
27 explicit affected versions
1 explicit affected versions
1 explicit affected versions
31 explicit affected versions
5 explicit affected versions
25 explicit affected versions
1 explicit affected versions
25 explicit affected versions
6 explicit affected versions
1 explicit affected versions
27 explicit affected versions
10 explicit affected versions
23 explicit affected versions
44 explicit affected versions
16 explicit affected versions
4 explicit affected versions
19 explicit affected versions
38 explicit affected versions
9 explicit affected versions
112 explicit affected versions
25 explicit affected versions
47 explicit affected versions
6 explicit affected versions
81 explicit affected versions
58 explicit affected versions
4 explicit affected versions
15 explicit affected versions
49 explicit affected versions
25 explicit affected versions
43 explicit affected versions
1 explicit affected versions
90 explicit affected versions
98 explicit affected versions
12 explicit affected versions
27 explicit affected versions
4 explicit affected versions
14 explicit affected versions
1 explicit affected versions
5 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.13
- https://git.kernel.org/linus/19d1532a187669ce86d5a2696eb7275310070793
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19d1532a187669ce86d5a2696eb7275310070793
- https://ubuntu.com/security/CVE-2021-42008
- https://ubuntu.com/security/notices/USN-5113-1
- https://ubuntu.com/security/notices/USN-5114-1
- https://ubuntu.com/security/notices/USN-5115-1
- https://ubuntu.com/security/notices/USN-5116-1
- https://ubuntu.com/security/notices/USN-5116-2
- https://ubuntu.com/security/notices/USN-5299-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2021-42008
- https://www.youtube.com/watch?v=d5f9xLK8Vhw