{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80676",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.783Z",
        "datePublished": "2026-08-28T06:49:14.747Z",
        "dateUpdated": "2026-08-28T06:49:14.747Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:49:14.747Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: use generic driver_override infrastructure\n\nWhen a driver is probed through __driver_attach(), the bus' match()\ncallback is called without the device lock held, thus accessing the\ndriver_override field without a lock, which can cause a UAF.\n\nFix this by using the driver-core driver_override infrastructure taking\ncare of proper locking internally.\n\nNote that calling match() from __driver_attach() without the device lock\nheld is intentional. [1]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hv/vmbus_drv.c",
                        "include/linux/hyperv.h"
                    ],
                    "versions": [
                        {
                            "version": "d765edbb301c0e196015a59b17420558088ea33f",
                            "lessThan": "d1cb12ae81d2f7a58b0b1cfb51862afca98e6058",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d765edbb301c0e196015a59b17420558088ea33f",
                            "lessThan": "0e2f0833556c8c5269deb457b89d538644a3b747",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d765edbb301c0e196015a59b17420558088ea33f",
                            "lessThan": "2fb010ea7ca98cd09a6d365260b769f627e73a76",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d765edbb301c0e196015a59b17420558088ea33f",
                            "lessThan": "331d8900121a1d74ecd45cd2db742ddcb5a0a565",
                            "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/hv/vmbus_drv.c",
                        "include/linux/hyperv.h"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "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": "4.20",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d1cb12ae81d2f7a58b0b1cfb51862afca98e6058"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0e2f0833556c8c5269deb457b89d538644a3b747"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2fb010ea7ca98cd09a6d365260b769f627e73a76"
                },
                {
                    "url": "https://git.kernel.org/stable/c/331d8900121a1d74ecd45cd2db742ddcb5a0a565"
                }
            ],
            "title": "Drivers: hv: vmbus: use generic driver_override infrastructure",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}