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CVE-2023-53552

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: drm/i915: mark requests for GuC virtual engines to avoid use-after-free References to i915_requests may be trapped by userspace…

Published Oct 4, 2025CWE-416EPSS 0.17%

Overview

CVE-2023-53552 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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/i915: mark requests for GuC virtual engines to avoid use-after-free

References to i915_requests may be trapped by userspace inside a

sync_file or dmabuf (dma-resv) and held indefinitely across different

proceses. To counter-act the memory leaks, we try to not to keep

references from the request past their completion.

On the other side on fence release we need to know if rq->engine

is valid and points to hw engine (true for non-virtual requests).

To make it possible extra bit has been added to rq->execution_mask,

for marking virtual engines.

(cherry picked from commit 280410677af763f3871b93e794a199cfcf6fb580)

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/5eefc5307c983b59344a4cb89009819f580c84faRefgit.kernel.org/stable/c/7fb464d52fa41c31a6fd1ad82888e67c65935d94Refgit.kernel.org/stable/c/8017a27cec32eac8c8f9430b0a3055840136b856

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53552?

CVE-2023-53552 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53552?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53552?

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-2023-53552?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53552 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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