CVE-2025-21956

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Source
https://cve.org/CVERecord?id=CVE-2025-21956
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21956.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21956
Downstream
Related
Published
2025-04-01T15:46:56.219Z
Modified
2026-05-07T04:16:07.302392Z
Summary
drm/amd/display: Assign normalized_pix_clk when color depth = 14
Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Assign normalizedpixclk when color depth = 14

[WHY & HOW] A warning message "WARNING: CPU: 4 PID: 459 at ... /dcresource.c:3397 calculatephypixclks+0xef/0x100 [amdgpu]" occurs because the displaycolordepth == COLORDEPTH141414 is not handled. This is observed in Radeon RX 6600 XT.

It is fixed by assigning pix_clk * (14 * 3) / 24 - same as the rests.

Also fixes the indentation in getnormpix_clk.

(cherry picked from commit 274a87eb389f58eddcbc5659ab0b180b37e92775)

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21956.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Fixed
cca3ab74f90176099b6392e8e894b52b27b3d080
Fixed
0174a2e5770efee9dbd4b58963ed4d939298ff5e
Fixed
0c0016712e5dc23ce4a7e673cbebc24a535d8c8a
Fixed
dc831b38680c47d07e425871a9852109183895cf
Fixed
a8f77e1658d78e4a8bb227a83bcee67de97f7634
Fixed
04f90b505ad3a6eed474bbaa03167095fef5203a
Fixed
27df30106690969f7d63604f0d49ed8e9bffa2cb
Fixed
79e31396fdd7037c503e6add15af7cb00633ea92

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21956.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
5.4.292
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.236
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.180
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.132
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.84
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.20
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21956.json"