{"cve":"CVE-2025-21956","nvd":{"published":"2025-04-01T16:15:26.810","modified":"2026-06-17T08:44:42.237","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Assign normalized_pix_clk when color depth = 14\n\n[WHY & HOW]\nA warning message \"WARNING: CPU: 4 PID: 459 at ... /dc_resource.c:3397\ncalculate_phy_pix_clks+0xef/0x100 [amdgpu]\" occurs because the\ndisplay_color_depth == COLOR_DEPTH_141414 is not handled. This is\nobserved in Radeon RX 6600 XT.\n\nIt is fixed by assigning pix_clk * (14 * 3) / 24 - same as the rests.\n\nAlso fixes the indentation in get_norm_pix_clk.\n\n(cherry picked from commit 274a87eb389f58eddcbc5659ab0b180b37e92775)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0174a2e5770efee9dbd4b58963ed4d939298ff5e","https://git.kernel.org/stable/c/04f90b505ad3a6eed474bbaa03167095fef5203a","https://git.kernel.org/stable/c/0c0016712e5dc23ce4a7e673cbebc24a535d8c8a","https://git.kernel.org/stable/c/27df30106690969f7d63604f0d49ed8e9bffa2cb","https://git.kernel.org/stable/c/79e31396fdd7037c503e6add15af7cb00633ea92"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-21956","score":0.00233,"percentile":0.14247,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}