{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47108",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-03-04T18:12:48.835Z",
        "datePublished": "2024-03-04T18:15:40.883Z",
        "dateUpdated": "2024-08-04T05:24:39.828Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:02:15.261Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: hdmi: Perform NULL pointer check for mtk_hdmi_conf\n\nIn commit 41ca9caaae0b\n(\"drm/mediatek: hdmi: Add check for CEA modes only\") a check\nfor CEA modes was added to function mtk_hdmi_bridge_mode_valid()\nin order to address possible issues on MT8167;\nmoreover, with commit c91026a938c2\n(\"drm/mediatek: hdmi: Add optional limit on maximal HDMI mode clock\")\nanother similar check was introduced.\n\nUnfortunately though, at the time of writing, MT8173 does not provide\nany mtk_hdmi_conf structure and this is crashing the kernel with NULL\npointer upon entering mtk_hdmi_bridge_mode_valid(), which happens as\nsoon as a HDMI cable gets plugged in.\n\nTo fix this regression, add a NULL pointer check for hdmi->conf in the\nsaid function, restoring HDMI functionality and avoiding NULL pointer\nkernel panics."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/mediatek/mtk_hdmi.c"
                    ],
                    "versions": [
                        {
                            "version": "41ca9caaae0b",
                            "lessThan": "71d07ebc5000",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "41ca9caaae0b",
                            "lessThan": "3b8e19a0aa39",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
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                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/mediatek/mtk_hdmi.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.12",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/71d07ebc5000b9c1d140e99e7493b0bafa954776"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3b8e19a0aa3933a785be9f1541afd8d398c4ec69"
                }
            ],
            "title": "drm/mediatek: hdmi: Perform NULL pointer check for mtk_hdmi_conf",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
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                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-06-26T20:37:26.989775Z",
                                "id": "CVE-2021-47108",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-06-26T20:37:36.778Z"
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                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:24:39.828Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/71d07ebc5000b9c1d140e99e7493b0bafa954776",
                        "tags": [
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                    {
                        "url": "https://git.kernel.org/stable/c/3b8e19a0aa3933a785be9f1541afd8d398c4ec69",
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