CVE-2026-89437 platform/x86: int1092: Fix potential memory leak in sar_probe()
A memory leak in the Linux kernel int1092 driver allows local attackers to cause denial of service through resource exhaustion.
- 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 CVE-2026-89437?
CVE-2026-89437 is a memory corruption vulnerability in Linux, published on 11 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: int1092: Fix potential memory leak in sar_probe()
The memory allocated for device_mode_info in parse_package() called by sar_get_data() is not freed in some of the error paths in sar_probe(). Fix that by converting to use device managed allocations.
Which versions are affected by CVE-2026-89437?
How do I fix CVE-2026-89437?
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 CVE-2026-89437 being exploited?
There is no known exploitation of CVE-2026-89437 in the wild and no public exploit code.
Sources
Also known as AZL-100247, BELL-CVE-2026-89437, DEBIAN-CVE-2026-89437, GHSA-8554-6hg6-mf5q, UBUNTU-CVE-2026-89437.