CVE-2020-11935

MEDIUM

Ubuntu Linux - Denial of Service via auf Inode Reference Count Mismanagement

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
https://ubuntu.com/security/CVE-2020-11935
Issue Tracking, Vendor Advisory vendor-advisory
https://bugs.launchpad.net/bugs/1873074

Scores

CVSS v3 4.4
EPSS 0.0004
EPSS Percentile 12.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-911
Status published
Products (5)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 20.04
debian/debian_linux 10.0
Published Apr 07, 2023
Tracked Since Feb 18, 2026