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CVE-2026-31390

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix memory leak in xe_vm_madvise_ioctl When check_bo_args_are_sane() validation fails, jump to the new free_vmas cleanu…

Published Apr 3, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-31390 is a medium-severity vulnerability. It was published on April 3, 2026 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 memory leak in xe_vm_madvise_ioctl

When check_bo_args_are_sane() validation fails, jump to the new

free_vmas cleanup label to properly free the allocated resources.

This ensures proper cleanup in this error path.

(cherry picked from commit 29bd06faf727a4b76663e4be0f7d770e2d2a7965)

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/0cfe9c4838f1147713f6b5c02094cd4dc0c598faRefgit.kernel.org/stable/c/1c87b48a0ff040723f84a67b32892af7e6a3634fRefgit.kernel.org/stable/c/c3aa7b837920c844d5ae0dd3dbaeb465a461de40

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31390?

CVE-2026-31390 is a medium-severity vulnerability. It was published on April 3, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-31390?

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-2026-31390?

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-2026-31390?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31390 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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