{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93139",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T16:02:15.088Z",
        "datePublished": "2026-09-17T16:11:39.448Z",
        "dateUpdated": "2026-10-19T09:06:12.015Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:06:12.015Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC\n\nThe loop iterated only AMDGPU_MAX_MES_PIPES times, leaving entries\nuninitialized for multi-XCC GPUs. This causes null pointer dereferences\nwhen accessing arrays indexed by XCC ID >= 2. Extend the loop to cover\nall XCCs (AMDGPU_MAX_MES_PIPES * num_xcc), matching other per-XCC\narrays."
                }
            ],
            "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/amdgpu/amdgpu_mes.c"
                    ],
                    "versions": [
                        {
                            "version": "a132fc9bc2f8b394a2f75947a0e1f5c22482a94c",
                            "lessThan": "7ff668cfc3960ed5b944ac35129f18a15ea08b74",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a132fc9bc2f8b394a2f75947a0e1f5c22482a94c",
                            "lessThan": "2c256086a363f01f9840a57949506eccf5c990a6",
                            "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/amdgpu/amdgpu_mes.c"
                    ],
                    "versions": [
                        {
                            "version": "7.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "7.2",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "7.2",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7ff668cfc3960ed5b944ac35129f18a15ea08b74"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2c256086a363f01f9840a57949506eccf5c990a6"
                }
            ],
            "title": "drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}