CVE-2026-93046 software node: Fix software_node_get_reference_args() with index -1
An out-of-bounds access in the Linux kernel software node subsystem allows attackers to read memory or cause a system crash.
- 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 CVE-2026-93046?
CVE-2026-93046 is a high-severity memory corruption vulnerability in Linux, published on 17 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:
software node: Fix software_node_get_reference_args() with index -1
The bounds check for the index passed to software_node_get_reference_args() was failing when passed UINT_MAX, this in turn would lead to an out of bound access in the property array. Fix the bound check to also cover the UINT_MAX case.
Which versions are affected by CVE-2026-93046?
How do I fix CVE-2026-93046?
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-2026-93046 being exploited?
There is no known exploitation of CVE-2026-93046 in the wild and no public exploit code.
Sources
Also known as AZL-102114, BELL-CVE-2026-93046, DEBIAN-CVE-2026-93046, GHSA-22jx-3rp5-rh8h, UBUNTU-CVE-2026-93046.