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CVE-2025-38467

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: exynos7_drm_decon: add vblank check in IRQ handling If there's support for another console device (such as a TTY se…

Published Jul 25, 2025CWE-476EPSS 0.18%

Overview

CVE-2025-38467 is a medium-severity vulnerability. It was published on July 25, 2025 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/exynos: exynos7_drm_decon: add vblank check in IRQ handling

If there's support for another console device (such as a TTY serial),

the kernel occasionally panics during boot. The panic message and a

relevant snippet of the call stack is as follows:

Unable to handle kernel NULL pointer dereference at virtual address 000000000000000

Call trace:

drm_crtc_handle_vblank+0x10/0x30 (P)

decon_irq_handler+0x88/0xb4

[...]

Otherwise, the panics don't happen. This indicates that it's some sort

of race condition.

Add a check to validate if the drm device can handle vblanks before

calling drm_crtc_handle_vblank() to avoid this.

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/391e5ea5b877230b844c9bd8bbcd91b681b1ce2dRefgit.kernel.org/stable/c/87825fbd1e176cd5b896940f3959e7c9a916945dRefgit.kernel.org/stable/c/996740652e620ef8ee1e5c65832cf2ffa498577dRefgit.kernel.org/stable/c/a2130463fc9451005660b0eda7b61d5f746f7d74Refgit.kernel.org/stable/c/a40a35166f7e4f6dcd4b087d620c8228922dcb0aRefgit.kernel.org/stable/c/b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7Refgit.kernel.org/stable/c/b846350aa272de99bf6fecfa6b08e64ebfb13173Refgit.kernel.org/stable/c/e9d9b25f376737b81f06de9c5aa422b488f47184Reflists.debian.org/debian-lts-announce/2025/10/msg00007.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38467?

CVE-2025-38467 is a medium-severity vulnerability. It was published on July 25, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38467?

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-2025-38467?

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-2025-38467?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38467 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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