CVE-2024-49925
HIGH severity · CVSS 7.1 · Use-after-free
7.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/36bfefb6baaa8e46de44f4fd919ce4347337620f ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/36bfefb6baaa8e46de44f4fd919ce4347337620fPatch
- https://git.kernel.org/stable/c/4684d69b9670a83992189f6271dc0fcdec4ed0d7Patch
- https://git.kernel.org/stable/c/872cd2d029d2c970a8a1eea88b48dab2b3f2e93aPatch
- https://git.kernel.org/stable/c/95cdd538e0e5677efbdf8aade04ec098ab98f457Patch
- https://git.kernel.org/stable/c/2a9c40c72097b583b23aeb2a26d429ccfc81fbc1
- https://git.kernel.org/stable/c/2d97b85eb5a86766ad0f8ea3d121e6ae144e3ed8
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html