SUSE-SU-2024:3337-1 Security update for the Linux Kernel

Not scored Published

A race condition in the Linux kernel memory management subsystem allows local attackers to cause denial of service or potentially escalate privileges.

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

What is SUSE-SU-2024:3337-1?

SUSE-SU-2024:3337-1 is a vulnerability in kernel-livepatch-SLE15-SP5-RT_Update_20, published on 19 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes.

The following non-security bugs were fixed:

  • Revert 'mm, kmsan: fix infinite recursion due to RCU critical section' (bsc#1230413)
  • Revert 'mm/sparsemem: fix race in accessing memory_section->usage' (bsc#1230413)
  • Revert 'mm: prevent derefencing NULL ptr in pfn_section_valid()' (bsc#1230413)

Which versions are affected by SUSE-SU-2024:3337-1?

Linux distribution packages (12)
kernel-livepatch-SLE15-SP5-RT_Update_20 SUSE:Linux Enterprise Live Patching 15 SP5All versions1-150500.11.3.2
kernel-rt SUSE:Linux Enterprise Micro 5.5All versions5.14.21-150500.13.70.2
kernel-source-rt SUSE:Linux Enterprise Micro 5.5All versions5.14.21-150500.13.70.2
kernel-rt SUSE:Real Time Module 15 SP5All versions5.14.21-150500.13.70.2
kernel-rt_debug SUSE:Real Time Module 15 SP5All versions5.14.21-150500.13.70.2
kernel-source-rt SUSE:Real Time Module 15 SP5All versions5.14.21-150500.13.70.2
kernel-syms-rt SUSE:Real Time Module 15 SP5All versions5.14.21-150500.13.70.1
kernel-rt openSUSE:Leap 15.5All versions5.14.21-150500.13.70.2
kernel-rt_debug openSUSE:Leap 15.5All versions5.14.21-150500.13.70.2
kernel-source-rt openSUSE:Leap 15.5All versions5.14.21-150500.13.70.2
kernel-syms-rt openSUSE:Leap 15.5All versions5.14.21-150500.13.70.1
kernel-rt openSUSE:Leap Micro 5.5All versions5.14.21-150500.13.70.2

How do I fix SUSE-SU-2024:3337-1?

Apply the vendor's patch.

Is SUSE-SU-2024:3337-1 being exploited?

There is no known exploitation of SUSE-SU-2024:3337-1 in the wild and no public exploit code.

Sources

Is SUSE-SU-2024:3337-1 in your software?

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

Check your SBOMs for free