{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74442",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.897Z",
        "datePublished": "2026-08-15T12:26:50.102Z",
        "dateUpdated": "2026-08-17T05:19:29.387Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:19:29.387Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: avoid destroy_workqueue(NULL) on vkms init failure\n\nTwo paths through vmw_vkms_init() can leave vmw->crc_workq NULL while\nstill leaving the rest of the driver in a state that calls\nvmw_vkms_cleanup() at module unload:\n\n  1. vmw_host_get_guestinfo(GUESTINFO_VBLANK, ...) failing or\n     returning an oversized buffer -- the common case on hosts\n     without a VBLANK guestinfo entry -- early-returned before the\n     workqueue allocation.\n  2. alloc_ordered_workqueue() returning NULL on memory pressure.\n\nvmw_vkms_cleanup() then calls destroy_workqueue(NULL), which\ndereferences wq->name and panics.\n\nFix the first case by removing the early return: vmw->vkms_enabled\nis already false on the rpci-failure path so no work will ever be\nqueued, and allocating the workqueue unconditionally keeps the\ncontrol flow simple.  Fix the second case by guarding the cleanup\nwith a NULL check, since alloc_ordered_workqueue() can still fail\nunder low memory."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/vmwgfx/vmwgfx_vkms.c"
                    ],
                    "versions": [
                        {
                            "version": "7b0062036c3b71b4a69e244ecf0502c06c4cf5f0",
                            "lessThan": "7c701778c6a369769992614dac8dc00c8ac72afc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7b0062036c3b71b4a69e244ecf0502c06c4cf5f0",
                            "lessThan": "96efee36453b697ccbaf75091b7a1807c11809dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7b0062036c3b71b4a69e244ecf0502c06c4cf5f0",
                            "lessThan": "0ee0532f1d405d37f38c44cbba87342e63d3bbd4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7b0062036c3b71b4a69e244ecf0502c06c4cf5f0",
                            "lessThan": "05eaa887e7b4f40fba425f8a1d7a5a8a043092a6",
                            "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/vmwgfx/vmwgfx_vkms.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "6.10",
                                    "versionEndExcluding": "6.12.103"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.18.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7c701778c6a369769992614dac8dc00c8ac72afc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/96efee36453b697ccbaf75091b7a1807c11809dd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0ee0532f1d405d37f38c44cbba87342e63d3bbd4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/05eaa887e7b4f40fba425f8a1d7a5a8a043092a6"
                }
            ],
            "title": "drm/vmwgfx: avoid destroy_workqueue(NULL) on vkms init failure",
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                "engine": "bippy-1.2.0"
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}