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CVE-2024-50144

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix unbalanced rpm put() with fence_fini() Currently we can call fence_fini() twice if something goes wrong when sendin…

Published Nov 7, 2024EPSS 0.20%

Overview

CVE-2024-50144 is a medium-severity vulnerability. It was published on November 7, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

drm/xe: fix unbalanced rpm put() with fence_fini()

Currently we can call fence_fini() twice if something goes wrong when

sending the GuC CT for the tlb request, since we signal the fence and

return an error, leading to the caller also calling fini() on the error

path in the case of stack version of the flow, which leads to an extra

rpm put() which might later cause device to enter suspend when it

shouldn't. It looks like we can just drop the fini() call since the

fence signaller side will already call this for us.

There are known mysterious splats with device going to sleep even with

an rpm ref, and this could be one candidate.

v2 (Matt B):

- Prefer warning if we detect double fini()

(cherry picked from commit cfcbc0520d5055825f0647ab922b655688605183)

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/03a86c24aea0920a1ca20a0d7771d5e176db538dRefgit.kernel.org/stable/c/046bd018c0123b1a49c22abed5f9ea31d1454c78

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50144?

CVE-2024-50144 is a medium-severity vulnerability. It was published on November 7, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50144?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-50144?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-50144?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50144 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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