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Change History

In the Linux kernel, the following vulnerability has been resolved:

fbdev: efifb: Register sysfs groups through driver core

The driver core can register and cleanup sysfs groups already.
Make use of that functionality to simplify the error handling and
cleanup.

Also avoid a UAF race during unregistering where the sysctl attributes
were usable after the info struct was freed.

kernel.org https://git.kernel.org/stable/c/36bfefb6baaa8e46de44f4fd919ce4347337620f [No types assigned]

kernel.org https://git.kernel.org/stable/c/4684d69b9670a83992189f6271dc0fcdec4ed0d7 [No types assigned]

kernel.org https://git.kernel.org/stable/c/872cd2d029d2c970a8a1eea88b48dab2b3f2e93a [No types assigned]

kernel.org https://git.kernel.org/stable/c/95cdd538e0e5677efbdf8aade04ec098ab98f457 [No types assigned]