Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2020-12114
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12114
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12114
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
1.9
|
LOW | AV:L/AC:M/Au:N/C:N/I:N/A:P |
3.4
|
2.9
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2020-12114
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12114
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
[SECURITY] [DLA 2241-2] linux security update
-
https://usn.ubuntu.com/4388-1/
USN-4388-1: Linux kernel vulnerabilities | Ubuntu security notices
-
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
[security-announce] openSUSE-SU-2020:0801-1: important: Security update
-
http://www.openwall.com/lists/oss-security/2020/05/04/2
oss-security - [CVE-2020-12114] Linux kernel denial of service by corrupting mountpoint reference counterMailing List;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
[SECURITY] [DLA 2241-1] linux security update
-
https://usn.ubuntu.com/4390-1/
USN-4390-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
[SECURITY] [DLA 2242-1] linux-4.9 security update
-
https://security.netapp.com/advisory/ntap-20200608-0001/
May 2020 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
-
https://www.debian.org/security/2020/dsa-4699
Debian -- Security Information -- DSA-4699-1 linux
-
http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html
Kernel Live Patch Security Notice LSN-0072-1 ≈ Packet Storm
-
https://www.oracle.com/security-alerts/cpuApr2021.html
Oracle Critical Patch Update Advisory - April 2021
-
https://usn.ubuntu.com/4387-1/
USN-4387-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/4391-1/
USN-4391-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/4392-1/
USN-4392-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://www.debian.org/security/2020/dsa-4698
Debian -- Security Information -- DSA-4698-1 linux
-
https://usn.ubuntu.com/4389-1/
USN-4389-1: Linux kernel vulnerabilities | Ubuntu security notices
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