CVE-2026-68248 drm/i915: Return NULL on error in active_instance
A null pointer dereference in the Linux kernel's i915 driver can cause a system crash when memory allocation fails.
- 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-2026-68248?
CVE-2026-68248 is a vulnerability in Linux, published on 10 Aug 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:
drm/i915: Return NULL on error in active_instance
Avoid returning &node->base when node is NULL due to OOM during GFP_ATOMIC allocation.
Discovered using AI-assisted static analysis confirmed by Intel Product Security.
(cherry picked from commit 6029bc064f0b1bac184203a50fbaaf070fa18832)
Which versions are affected by CVE-2026-68248?
How do I fix CVE-2026-68248?
Apply the vendor's patch.
Is CVE-2026-68248 being exploited?
There is no known exploitation of CVE-2026-68248 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-68248, DEBIAN-CVE-2026-68248, GHSA-38v6-hrg2-9478, UBUNTU-CVE-2026-68248.