SUSE-SU-2026:23502-1 Security update for multipath-tools

Not scored Published

Multiple memory corruption and path traversal flaws in multipath-tools allow local attackers to cause denial of service or potentially execute code.

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-2026:23502-1?

SUSE-SU-2026:23502-1 is a memory corruption vulnerability in multipath-tools, published on 7 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This update for multipath-tools fixes the following issues:

  • Heap Out-of-Bounds Read in Custom Format String Parser via Trailing % (bsc#1277205).
  • Path traversal in device-mapper-multipath failed_wwids management (bsc#1277210).
  • SCSI PRIN READ FULL STATUS responses can cause heap buffer overflows (bsc#1277212).
  • Local Denial of Service via Blocking IPC Send Operations (bsc#1277199).
  • Heap Out-of-Bounds Read in GPT Header Validation (bsc#1277209).
  • DoS on multipathd socket by exhausting connections (bsc#1277203).
  • Heap out-of-bounds read in device-mapper-multipath ALUA RTPG parsing (bsc#1277208).

Changes for multipath-tools:

  • Update to version 0.12.4+278+suse.9cf9c5c.
  • Add missing NULL check in DM parser (gh#opensvc/multipath-tools#155).

Which versions are affected by SUSE-SU-2026:23502-1?

Linux distribution packages (1)
multipath-tools SUSE:Linux Micro 6.2All versions0.12.4+278+suse.9cf9c5c-160000.1.1

How do I fix SUSE-SU-2026:23502-1?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is SUSE-SU-2026:23502-1 being exploited?

There is no known exploitation of SUSE-SU-2026:23502-1 in the wild and no public exploit code.

Sources

Is SUSE-SU-2026:23502-1 in your software?

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