==========================================================================
Ubuntu Security Notice USN-7580-1
June 18, 2025

pam vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

PAM could be made to run programs as an administrator.

Software Description:
- pam: Pluggable Authentication Modules

Details:

Olivier BAL-PETRE discovered that the PAM pam_namespace module incorrectly
handled user-controlled paths. In environments where pam_namespace is used,
a local attacker could possibly use this issue to escalate their privileges
to root.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  libpam-modules                  1.5.3-7ubuntu4.3

Ubuntu 24.10
  libpam-modules                  1.5.3-7ubuntu2.3

Ubuntu 24.04 LTS
  libpam-modules                  1.5.3-5ubuntu5.4

Ubuntu 22.04 LTS
  libpam-modules                  1.4.0-11ubuntu2.6

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7580-1
  CVE-2025-6020

Package Information:
  https://launchpad.net/ubuntu/+source/pam/1.5.3-7ubuntu4.3
  https://launchpad.net/ubuntu/+source/pam/1.5.3-7ubuntu2.3
  https://launchpad.net/ubuntu/+source/pam/1.5.3-5ubuntu5.4
  https://launchpad.net/ubuntu/+source/pam/1.4.0-11ubuntu2.6

Attachment: OpenPGP_signature.asc
Description: OpenPGP digital signature

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