{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64050",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.029Z",
        "datePublished": "2026-07-19T15:39:33.942Z",
        "dateUpdated": "2026-07-20T13:42:49.733Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-20T13:42:49.733Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: don't mix devm and drmm functions\n\nMixing devm and drmm functions will result in a use-after-free on msm\ndriver teardown if userspace keeps a reference on the drm device:\nThe WB connector data will be destroyed because of the use of\ndevm_kzalloc()), while the usersoace still can try interacting with the\nWB connector (which uses drmm_ functions).\n\nChange dpu_writeback_init() to use drmm_.\n\nPatchwork: https://patchwork.freedesktop.org/patch/722656/"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c"
                    ],
                    "versions": [
                        {
                            "version": "0b37ac63fc9db7779168ad18d7e6e8ab9df6a40b",
                            "lessThan": "ff58e5ef1b46ce614af048d2d04986df05ffab90",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b37ac63fc9db7779168ad18d7e6e8ab9df6a40b",
                            "lessThan": "95048a12f48c627bc2ccc4d84f87640630ba2bdb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b37ac63fc9db7779168ad18d7e6e8ab9df6a40b",
                            "lessThan": "c0c70a11365cba7fba25a77463582bcec0f7846e",
                            "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/msm/disp/dpu1/dpu_writeback.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "6.18",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ff58e5ef1b46ce614af048d2d04986df05ffab90"
                },
                {
                    "url": "https://git.kernel.org/stable/c/95048a12f48c627bc2ccc4d84f87640630ba2bdb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c0c70a11365cba7fba25a77463582bcec0f7846e"
                }
            ],
            "title": "drm/msm/dpu: don't mix devm and drmm functions",
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}