CVE-2026-68225: media: i2c: alvium: fix critical pointer access in alvium_ctrl_init

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-10 · updated 2026-08-17

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.

Affected products

Linux kernel: 6.8 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/4bacfda44d36f165f6cb57bea408912886400ffa
https://git.kernel.org/stable/c/4f6f28ff24709710c08557c127b3e4c3fb1b4159
https://git.kernel.org/stable/c/7337c88205ed0ffc654f40266be0d3c3eb15fb29
https://git.kernel.org/stable/c/eb2f934646aefb06314cecd1deb020794829b207

Get alerted when CVE-2026-68225 or the next vulnerability affects your stack