CVE-2025-38205

drm/amd/display: Avoid divide by zero by initializing dummy pitch to 1

MEDIUM
5.5
CVSS Score
Published: July 4, 2025 at 01:37 PM UTC
Updated: September 7, 2026 at 05:41 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.7 ≤ v < 6.12.1096.7 ≤ v < 6.15.46.7 ≤ v < 6.166.77966f319c66d9468623c6a6a017ecbc0dd79be75
Vendor states this is fixed in 03a3dbca3b8e55b88958ce1f54aaf678ded11c79 (fixed)
Vendor states this is fixed in 7e40f64896e8e3dca471e287672db5ace12ea0be (fixed)
Vendor states this is fixed in 8044f981b2cf8c32fe1bd5d1fc991552cdf7ffe0 (fixed)
Vendor states this is fixed in 6.12.109 (unaffected)
Vendor states this is fixed in 6.15.4 (unaffected)
Vendor states this is fixed in 6.16 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-369

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