CVE-2020-11935 — MEDIUM (4.4)

Vulnerability Description

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.

CVSS Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Canonical	Ubuntu Linux	14.04
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-911

References

https://bugs.launchpad.net/bugs/1873074Issue TrackingVendor Advisory
https://ubuntu.com/security/CVE-2020-11935Vendor Advisory
https://bugs.launchpad.net/bugs/1873074Issue TrackingVendor Advisory
https://ubuntu.com/security/CVE-2020-11935Vendor Advisory

FAQ

What is CVE-2020-11935?

CVE-2020-11935 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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.

How severe is CVE-2020-11935?

CVE-2020-11935 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-11935?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Debian Debian Linux.