UBUNTU-CVE-2020-36691
An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
42 explicit affected versions
68 explicit affected versions
35 explicit affected versions
70 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
25 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
60 explicit affected versions
12 explicit affected versions
73 explicit affected versions
81 explicit affected versions
12 explicit affected versions
71 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
12 explicit affected versions
26 explicit affected versions
13 explicit affected versions
29 explicit affected versions
62 explicit affected versions
13 explicit affected versions
57 explicit affected versions
73 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
72 explicit affected versions
7 explicit affected versions
32 explicit affected versions
1 explicit affected versions
39 explicit affected versions
50 explicit affected versions
12 explicit affected versions
1 explicit affected versions
5 explicit affected versions
1 explicit affected versions
61 explicit affected versions
13 explicit affected versions
27 explicit affected versions
10 explicit affected versions
12 explicit affected versions
60 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
26 explicit affected versions
37 explicit affected versions
38 explicit affected versions
9 explicit affected versions
33 explicit affected versions
4 explicit affected versions
43 explicit affected versions
27 explicit affected versions
61 explicit affected versions
4 explicit affected versions
50 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8
- https://git.kernel.org/linus/7690aa1cdf7c4565ad6b013b324c28b685505e24
- https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24
- https://ubuntu.com/security/CVE-2020-36691
- https://ubuntu.com/security/notices/USN-6284-1
- https://ubuntu.com/security/notices/USN-6301-1
- https://ubuntu.com/security/notices/USN-6312-1
- https://ubuntu.com/security/notices/USN-6314-1
- https://ubuntu.com/security/notices/USN-6331-1
- https://ubuntu.com/security/notices/USN-6337-1
- https://www.cve.org/CVERecord?id=CVE-2020-36691