{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21956",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.790Z",
        "datePublished": "2025-04-01T15:46:56.219Z",
        "dateUpdated": "2026-05-11T21:09:47.764Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:09:47.764Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/display/dc/core/dc_resource.c"
                    ],
                    "versions": [
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "cca3ab74f90176099b6392e8e894b52b27b3d080",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "0174a2e5770efee9dbd4b58963ed4d939298ff5e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "0c0016712e5dc23ce4a7e673cbebc24a535d8c8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "dc831b38680c47d07e425871a9852109183895cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "a8f77e1658d78e4a8bb227a83bcee67de97f7634",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "04f90b505ad3a6eed474bbaa03167095fef5203a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "27df30106690969f7d63604f0d49ed8e9bffa2cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                            "lessThan": "79e31396fdd7037c503e6add15af7cb00633ea92",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/display/dc/core/dc_resource.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.292",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.236",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.180",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.132",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.84",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.20",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.8",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/cca3ab74f90176099b6392e8e894b52b27b3d080"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0174a2e5770efee9dbd4b58963ed4d939298ff5e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0c0016712e5dc23ce4a7e673cbebc24a535d8c8a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc831b38680c47d07e425871a9852109183895cf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a8f77e1658d78e4a8bb227a83bcee67de97f7634"
                },
                {
                    "url": "https://git.kernel.org/stable/c/04f90b505ad3a6eed474bbaa03167095fef5203a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27df30106690969f7d63604f0d49ed8e9bffa2cb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79e31396fdd7037c503e6add15af7cb00633ea92"
                }
            ],
            "title": "drm/amd/display: Assign normalized_pix_clk when color depth = 14",
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
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                "providerMetadata": {
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                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T19:39:55.636Z"
                }
            }
        ]
    }
}