UBUNTU-CVE-2020-12114
A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
20 explicit affected versions
6 explicit affected versions
43 explicit affected versions
9 explicit affected versions
24 explicit affected versions
1 explicit affected versions
49 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
2 explicit affected versions
1 explicit affected versions
8 explicit affected versions
12 explicit affected versions
47 explicit affected versions
16 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
24 explicit affected versions
46 explicit affected versions
23 explicit affected versions
3 explicit affected versions
9 explicit affected versions
7 explicit affected versions
41 explicit affected versions
1 explicit affected versions
9 explicit affected versions
20 explicit affected versions
23 explicit affected versions
3 explicit affected versions
11 explicit affected versions
81 explicit affected versions
8 explicit affected versions
2 explicit affected versions
44 explicit affected versions
48 explicit affected versions
155 explicit affected versions
110 explicit affected versions
51 explicit affected versions
2 explicit affected versions
57 explicit affected versions
1 explicit affected versions
2 explicit affected versions
1 explicit affected versions
68 explicit affected versions
26 explicit affected versions
44 explicit affected versions
11 explicit affected versions
26 explicit affected versions
7 explicit affected versions
38 explicit affected versions
5 explicit affected versions
88 explicit affected versions
70 explicit affected versions
23 explicit affected versions
34 explicit affected versions
28 explicit affected versions
12 explicit affected versions
3 explicit affected versions
4 explicit affected versions
1 explicit affected versions
79 explicit affected versions
38 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4edbe133f851c9e3a2f2a1db367e826b01e72594
- https://ubuntu.com/security/CVE-2020-12114
- https://ubuntu.com/security/notices/USN-4387-1
- https://ubuntu.com/security/notices/USN-4388-1
- https://ubuntu.com/security/notices/USN-4389-1
- https://ubuntu.com/security/notices/USN-4390-1
- https://ubuntu.com/security/notices/USN-4391-1
- https://ubuntu.com/security/notices/USN-4392-1
- https://www.cve.org/CVERecord?id=CVE-2020-12114
- https://www.openwall.com/lists/oss-security/2020/05/04/2