SUSE-SU-2026:23502-1 Security update for multipath-tools
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 6.2 | All versions | 0.12.4+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.