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DEBIAN-CVE-2025-21956

DEBIAN-CVE-2025-21956 PUBLISHED CVSS 5.5 MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Assign normalized_pix_clk when color depth = 14 [WHY & HOW] A warning message "WARNING: CPU: 4 PID: 459 at ... /dc_resource.c:3397 calculate_phy_pix_clks+0xef/0x100 [amdgpu]" occurs because the display_color_depth == COLOR_DEPTH_141414 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 get_norm_pix_clk. (cherry picked from commit 274a87eb389f58eddcbc5659ab0b180b37e92775)

Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:11linux-6.16.1.112-1, 6.1.128-1, 6.1.119-1
Debian:12linux6.1.67-1, 6.1.76-1, 0
Debian:11linux5.10.113-1, 5.10.179-1, 5.10.70-1
Debian:13linux0, 0
Debian:14linux0, 0

Timeline

  • Apr 1, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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