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CVE-2025-68223

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: delete radeon_fence_process in is_signaled, no deadlock Delete the attempt to progress the queue when checking if f…

Published Dec 16, 2025CWE-667EPSS 0.12%

Overview

CVE-2025-68223 is a medium-severity vulnerability. It was published on December 16, 2025 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/radeon: delete radeon_fence_process in is_signaled, no deadlock

Delete the attempt to progress the queue when checking if fence is

signaled. This avoids deadlock.

dma-fence_ops::signaled can be called with the fence lock in unknown

state. For radeon, the fence lock is also the wait queue lock. This can

cause a self deadlock when signaled() tries to make forward progress on

the wait queue. But advancing the queue is unneeded because incorrectly

returning false from signaled() is perfectly acceptable.

(cherry picked from commit 527ba26e50ec2ca2be9c7c82f3ad42998a75d0db)

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/73bc12d6a547f9571ce4393acfd73c004e2df9e5Refgit.kernel.org/stable/c/7e3e9b3a44c23c8eac86a41308c05077d6d30f41Refgit.kernel.org/stable/c/9d0ed508a9e2af82951ce7d834f58c139fc2bd9bRefgit.kernel.org/stable/c/9eb00b5f5697bd56baa3222c7a1426fa15bacfb5Refgit.kernel.org/stable/c/d40a72d7e3bad4dfb311ef078f5a57362f088c7f

How CyberStrike helps

Frequently asked questions

What is CVE-2025-68223?

CVE-2025-68223 is a medium-severity vulnerability. It was published on December 16, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-68223?

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-2025-68223?

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-2025-68223?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-68223 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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