CVE-2026-68225 media: i2c: alvium: fix critical pointer access in alvium_ctrl_init
A missing pointer check in the Alvium I2C camera driver allows a local attacker to trigger a null pointer dereference, causing a system crash.
- 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-2026-68225?
CVE-2026-68225 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:
media: i2c: alvium: fix critical pointer access in alvium_ctrl_init
The current implementation of alvium_ctrl_init creates several controls in function alvium_ctrl_init and uses the returned pointer without check. That can cause write access over NULL-pointer for several controls. The reworked code checks the pointers before adding flags.
Which versions are affected by CVE-2026-68225?
How do I fix CVE-2026-68225?
Apply the vendor's patch.
Is CVE-2026-68225 being exploited?
There is no known exploitation of CVE-2026-68225 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-68225, DEBIAN-CVE-2026-68225, GHSA-hrw3-v9rv-877r, UBUNTU-CVE-2026-68225.