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CVE-2026-53140

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix vaddr leak when indirect CSD has zeroed workgroups v3d_rewrite_csd_job_wg_counts_from_indirect() maps both the ind…

Published Jun 25, 2026CWE-401EPSS 0.12%

Overview

CVE-2026-53140 is a medium-severity vulnerability. It was published on June 25, 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/v3d: Fix vaddr leak when indirect CSD has zeroed workgroups

v3d_rewrite_csd_job_wg_counts_from_indirect() maps both the indirect

buffer and the workgroup buffer and is expected to release them before

returning. When any of the workgroup counts read from the buffer is zero,

the function bailed out early and skipped the cleanup, leaking the vaddr

mappings of both BOs.

Jump to the cleanup path instead of returning directly, so the mappings

are always dropped.

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/0b59d0946913a0df7d1a033013e259e9b6a76546Refgit.kernel.org/stable/c/60ebeb23eaf3d7fd2e0551fe304309305e31d424Refgit.kernel.org/stable/c/90b629269088a9fe24a02c032be9f08357f47873Refgit.kernel.org/stable/c/ae7676952790f421c40918e2586a2c9f12a682b6

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53140?

CVE-2026-53140 is a medium-severity vulnerability. It was published on June 25, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-53140?

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-2026-53140?

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-2026-53140?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53140 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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