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CVE-2023-52913

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential context UAFs gem_context_register() makes the context visible to userspace, and which point a separate…

Published Aug 21, 2024CWE-416EPSS 0.25%

Overview

CVE-2023-52913 is a high-severity vulnerability. It was published on August 21, 2024 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: Fix potential context UAFs

gem_context_register() makes the context visible to userspace, and which

point a separate thread can trigger the I915_GEM_CONTEXT_DESTROY ioctl.

So we need to ensure that nothing uses the ctx ptr after this. And we

need to ensure that adding the ctx to the xarray is the *last* thing

that gem_context_register() does with the ctx pointer.

[tursulin: Stable and fixes tags add/tidy.]

(cherry picked from commit bed4b455cf5374e68879be56971c1da563bcd90c)

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/ae278887193110dfeb857ea63e243a3851fbb0bcRefgit.kernel.org/stable/c/afce71ff6daa9c0f852df0727fe32c6fb107f0faRefgit.kernel.org/stable/c/b696c627b3f56e173f7f70b8487d66da8ff22506

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52913?

CVE-2023-52913 is a high-severity vulnerability. It was published on August 21, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52913?

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-2023-52913?

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-2023-52913?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52913 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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