What’s Vulnerable › Vulnerabilities

CVE-2025-38205: drm/amd/display: Avoid divide by zero by initializing dummy pitch to 1

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-04 · updated 2026-09-07
• Weakness: CWE-369

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid divide by zero by initializing dummy pitch to 1 [Why] If the dummy values in `populate_dummy_dml_surface_cfg()` aren't updated then they can lead to a divide by zero in downstream callers like CalculateVMAndRowBytes() [How] Initialize dummy value to a value to avoid divide by zero.

Affected products

• Linux kernel: from 6.7 before 6.15.4 — fixed in 6.15.4

How to fix

Upgrade to a fixed version: Linux kernel 6.15.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/03a3dbca3b8e55b88958ce1f54aaf678ded11c79
• https://git.kernel.org/stable/c/7e40f64896e8e3dca471e287672db5ace12ea0be
• https://git.kernel.org/stable/c/8044f981b2cf8c32fe1bd5d1fc991552cdf7ffe0

Get alerted when CVE-2025-38205 or the next vulnerability affects your stack