CVE-2026-98412 power: sequencing: fix NULL-pointer dereference in pwrseq_unit_new()
A NULL pointer dereference in the Linux kernel power sequencing subsystem can cause a system crash if memory allocation fails.
- 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-2026-98412?
CVE-2026-98412 is a vulnerability in Linux, published on 14 Oct 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:
power: sequencing: fix NULL-pointer dereference in pwrseq_unit_new()
If memory allocation fails in pwrseq_unit_setup_deps(), pwrseq_unit_put() is called to release the partially initialized unit. However, we've never initialized unit->list and pwrseq_unit_release() will unconditionally call list_del() on it. Initialize unit->list right after allocating the unit struct.
Which versions are affected by CVE-2026-98412?
How do I fix CVE-2026-98412?
Apply the vendor's patch.
Is CVE-2026-98412 being exploited?
There is no known exploitation of CVE-2026-98412 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-98412, DEBIAN-CVE-2026-98412, GHSA-hmfx-pr93-vm36, UBUNTU-CVE-2026-98412.