Ubuntu 23.10: USN-6588-1 Critical PAM Denial of Service
ubuntu
January 17, 2024
PAM could be made to stop responding if it opened a specially crafted file.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: PAM could be made to stop responding if it opened a specially crafted file. Software Description: - pam: Pluggable Authentication Modules Details: Matthias Gerstner discovered that the PAM pam_namespace module incorrectly handled special files when performing directory checks. A local attacker could possibly use this issue to cause PAM to stop responding, resulting in a denial of service.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: libpam-modules 1.5.2-6ubuntu1.1 Ubuntu 23.04: libpam-modules 1.5.2-5ubuntu1.1 Ubuntu 22.04 LTS: libpam-modules 1.4.0-11ubuntu2.4 Ubuntu 20.04 LTS: libpam-modules 1.3.1-5ubuntu4.7 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6588-1
CVE-2024-22365
PREVIOUS
NEXT
Severity
critical
Lowest
Low
Medium
High
Critical
Ubuntu Security Notice USN-6588-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/pam/1.5.2-6ubuntu1.1 https://launchpad.net/ubuntu/+source/pam/1.5.2-5ubuntu1.1 https://launchpad.net/ubuntu/+source/pam/1.4.0-11ubuntu2.4 https://launchpad.net/ubuntu/+source/pam/1.3.1-5ubuntu4.7
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!