Device Isolation Vulnerability in Linux Kernel Affecting Multiple Drivers
CVE-2026-23094

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 4 February 2026

What is CVE-2026-23094?

This vulnerability in the Linux kernel relates to the user-space access to sysfs files created for the device isolation feature. When a driver does not properly implement the required callback functions, it may allow unsupported operations that can cause system instability or crashes. The uacce framework addresses this issue by ensuring that sysfs files are only created if the appropriate callback functions are defined, effectively mitigating the risk of accessing these non-existent callbacks.

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