Vulnerability Details : CVE-2020-11935
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
Vulnerability category: Denial of service
Products affected by CVE-2020-11935
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11935
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 4 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11935
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
Canonical Ltd. |
CWE ids for CVE-2020-11935
-
The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.Assigned by: security@ubuntu.com (Secondary)
References for CVE-2020-11935
-
https://bugs.launchpad.net/bugs/1873074
Bug #1873074 “kernel panic hit by kube-proxy iptables-save/resto...” : Bugs : linux package : UbuntuIssue Tracking;Vendor Advisory
-
https://ubuntu.com/security/CVE-2020-11935
CVE-2020-11935 | UbuntuVendor Advisory
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