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CVE-2026-23317

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions Before the referenced fixes these functions used a lookup f…

Published Mar 25, 2026CWE-908EPSS 0.13%

Overview

CVE-2026-23317 is a high-severity vulnerability. It was published on March 25, 2026 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/vmwgfx: Return the correct value in vmw_translate_ptr functions

Before the referenced fixes these functions used a lookup function that

returned a pointer. This was changed to another lookup function that

returned an error code with the pointer becoming an out parameter.

The error path when the lookup failed was not changed to reflect this

change and the code continued to return the PTR_ERR of the now

uninitialized pointer. This could cause the vmw_translate_ptr functions

to return success when they actually failed causing further uninitialized

and OOB accesses.

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/149f028772fa2879d9316b924ce948a6a0877e45Refgit.kernel.org/stable/c/36cb28b6d303a81e6ed4536017090e85e0143e42Refgit.kernel.org/stable/c/5023ca80f9589295cb60735016e39fc5cc714243Refgit.kernel.org/stable/c/531f45589787799aa81b63e1e1f8e71db5d93dd1Refgit.kernel.org/stable/c/7e55d0788b362c93660b80cc5603031bbbdefa98Refgit.kernel.org/stable/c/ce3a5cf139787c186d5d54336107298cacaad2b9

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23317?

CVE-2026-23317 is a high-severity vulnerability. It was published on March 25, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-23317?

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-2026-23317?

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-2026-23317?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23317 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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