SUSE-SU-2025:20844-1 Security update for aaa_base

Not scored Published

An update to aaa_base enforces Yama ptrace restrictions, preventing potential security bypasses related to process tracing on SUSE systems.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is SUSE-SU-2025:20844-1?

SUSE-SU-2025:20844-1 is a vulnerability in aaa_base, published on 9 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This update for aaa_base fixes the following issues:

Update to version 84.87+git20240906.742565b:

  • yama-enable-ptrace: enforce changed behavior upon installation (bsc#1221763)
  • Avoid unnecessary /bin/bash dependency
  • sysctl: Fixup of not setting kernel.pid_max on 32b archs (bsc#1227117)

Update to version 84.87+git20240821.fbabe1d:

  • Add helper service for soft-reboot

Update to version 84.87+git20240809.5d13eb4:

  • cleanup aaa_base.post and fold back into specfile

Update to version 84.87+git20240805.7513b28:

  • Remove obsolete resolv+ manual page
  • Remove obsolete defaultdomain.5 manual page
  • Move /etc/skel to /usr/etc/skel (hermetic-usr)
  • Remove obsolete refresh_initrd
  • Add deprecation notice for service [jsc#PED-266]

Update to version 84.87+git20240801.75f05dd:

  • sysctl: Don't set kernel.pid_max on 32b archs (bsc#1227117)

Update to version 84.87+git20240620.57ee9e1:

  • Remove legacy-actions support [jsc#PED-264]

Update to version 84.87+git20240617.f5ff27f:

  • add /usr/bin/nu to etc/shells for nushell

Update to version 84.87+git20240614.332933e:

  • Do not save/restore cursor for foot at status line
  • Add tmux and others to DIR_COLORS (Issue #116)
  • Remove kernel.pid_max limit (bsc#1219038)
  • Add subpackge to enable ptrace

Update to version 84.87+git20240523.10a5692:

  • Add tmpfiles.d/soft-reboot-cleanup.conf

Update to version 84.87+git20240415.e6815bf:

  • drop obsolete 50-default-s390.conf (bsc#1211721)
  • fix typo in alljava.csh and drop stderr redirection

Update to version 84.87+git20240402.16596d1:

  • add alacritty to DIR_COLORS
  • Make sure tput it present before resetting TERM
  • Add mc helpers for both tcsh and bash resources
  • Do not overwrite escape sequences for xterm like
  • Check for valid TERM

Update to version 84.87+git20240202.9526d46:

  • properly shorten the variable when setting JAVA_HOME and JRE_HOME
  • silence output of alljava
  • Restrict ptrace with Yama LSM by default
  • patch alljava.sh and alljava.csh, use the links from update alternatives

Update to version 84.87+git20231023.f347d36:

  • Remove %ghost lastlog entry, lastlog is long gone
  • Remove shaky safe-rm and safe-rmdir helpers (bsc#1159103)

Which versions are affected by SUSE-SU-2025:20844-1?

Linux distribution packages (1)
aaa_base SUSE:Linux Micro 6.0All versions84.87+git20240906.742565b-1.1

How do I fix SUSE-SU-2025:20844-1?

Apply the vendor's patch.

Is SUSE-SU-2025:20844-1 being exploited?

There is no known exploitation of SUSE-SU-2025:20844-1 in the wild and no public exploit code.

Sources

Is SUSE-SU-2025:20844-1 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free