CVE-2020-11935

Published: Apr 7, 2023Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (5)

Products: Canonical: Ubuntu Linux · Debian: Debian Linux

1 product

1 product

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 20.04

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0

Related CWEs

CWE-911

Improper Update of Reference Count

The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.

References (4)

https://bugs.launchpad.net/bugs/1873074

Source: security@ubuntu.com

Issue TrackingVendor Advisory

https://ubuntu.com/security/CVE-2020-11935

Source: security@ubuntu.com

Vendor Advisory

https://bugs.launchpad.net/bugs/1873074

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingVendor Advisory

https://ubuntu.com/security/CVE-2020-11935

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.