========================================================================== Ubuntu Security Notice USN-6588-2 March 26, 2024
pam vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: PAM could be made to stop responding if it opened a specially crafted file. Software Description: - pam: Pluggable Authentication Modules Details: USN-6588-1 fixed a vulnerability in PAM. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS. Original advisory details: Matthias Gerstner discovered that the PAM pam_namespace module incorrectly handled special files when performing directory checks. A local attackercould possibly use this issue to cause PAM to stop responding, resulting in
a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS (Available with Ubuntu Pro): libpam-modules 1.1.8-3.6ubuntu2.18.04.6+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): libpam-modules 1.1.8-3.2ubuntu2.3+esm5 Ubuntu 14.04 LTS (Available with Ubuntu Pro): libpam-modules 1.1.8-1ubuntu2.2+esm4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6588-2 https://ubuntu.com/security/notices/USN-6588-1 CVE-2024-22365
OpenPGP_signature.asc
Description: OpenPGP digital signature
