UBUNTU-CVE-2021-4135
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
15 explicit affected versions
41 explicit affected versions
9 explicit affected versions
5 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
8 explicit affected versions
1 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
45 explicit affected versions
5 explicit affected versions
53 explicit affected versions
12 explicit affected versions
44 explicit affected versions
10 explicit affected versions
28 explicit affected versions
1 explicit affected versions
26 explicit affected versions
5 explicit affected versions
29 explicit affected versions
13 explicit affected versions
46 explicit affected versions
33 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
44 explicit affected versions
41 explicit affected versions
1 explicit affected versions
12 explicit affected versions
23 explicit affected versions
5 explicit affected versions
1 explicit affected versions
5 explicit affected versions
35 explicit affected versions
1 explicit affected versions
34 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
5 explicit affected versions
31 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
28 explicit affected versions
38 explicit affected versions
9 explicit affected versions
34 explicit affected versions
14 explicit affected versions
4 explicit affected versions
34 explicit affected versions
43 explicit affected versions
1 explicit affected versions
35 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/481221775d53d6215a6e5e9ce1cce6d2b4ab9a46
- https://ubuntu.com/security/CVE-2021-4135
- https://ubuntu.com/security/notices/USN-5278-1
- https://ubuntu.com/security/notices/USN-5337-1
- https://ubuntu.com/security/notices/USN-5338-1
- https://ubuntu.com/security/notices/USN-5368-1
- https://ubuntu.com/security/notices/USN-5377-1
- https://www.cve.org/CVERecord?id=CVE-2021-4135