What’s Vulnerable › Vulnerabilities

CVE-2024-49925: fbdev: efifb: Register sysfs groups through driver core

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04
• Weakness: CWE-416

Description

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.

Affected products

• Linux kernel: before 6.6.55; from 6.7 before 6.10.14; from 6.11 before 6.11.3 — fixed in 6.10.14, 6.11.3, 6.6.55

How to fix

Upgrade to a fixed version: Linux kernel 6.10.14, 6.11.3, 6.6.55. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2a9c40c72097b583b23aeb2a26d429ccfc81fbc1
• https://git.kernel.org/stable/c/2d97b85eb5a86766ad0f8ea3d121e6ae144e3ed8
• https://git.kernel.org/stable/c/36bfefb6baaa8e46de44f4fd919ce4347337620f
• https://git.kernel.org/stable/c/4684d69b9670a83992189f6271dc0fcdec4ed0d7
• https://git.kernel.org/stable/c/872cd2d029d2c970a8a1eea88b48dab2b3f2e93a
• https://git.kernel.org/stable/c/95cdd538e0e5677efbdf8aade04ec098ab98f457
• https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

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