{"id":"CVE-2026-80676","revision":"cc20966afdc946b1b22e35bbd5f794fe","records":[{"revision":"cc20966afdc946b1b22e35bbd5f794fe","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80676","aliases":[],"title":"Drivers: hv: vmbus: use generic driver_override infrastructure","description":"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]","state":0,"publishedAt":"2026-08-28T06:49:14.747+00:00","modifiedAt":"2026-10-21T12:46:51.475+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/hv/vmbus_drv.c\",\n                        \"include/linux/hyperv.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d765edbb301c0e196015a59b17420558088ea33f\",\n                            \"lessThan\": \"a1656234a4a2dc6e975546867887c5f63e4a90f0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d765edbb301c0e196015a59b17420558088ea33f\",\n                            \"lessThan\": \"d1cb12ae81d2f7a58b0b1cfb51862afca98e6058\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d765edbb301c0e196015a59b17420558088ea33f\",\n                            \"lessThan\": \"0e2f0833556c8c5269deb457b89d538644a3b747\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d765edbb301c0e196015a59b17420558088ea33f\",\n                            \"lessThan\": \"2fb010ea7ca98cd09a6d365260b769f627e73a76\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d765edbb301c0e196015a59b17420558088ea33f\",\n                            \"lessThan\": \"331d8900121a1d74ecd45cd2db742ddcb5a0a565\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/hv/vmbus_drv.c\",\n                        \"include/linux/hyperv.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.20\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.20\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/a1656234a4a2dc6e975546867887c5f63e4a90f0","https://git.kernel.org/stable/c/d1cb12ae81d2f7a58b0b1cfb51862afca98e6058","https://git.kernel.org/stable/c/0e2f0833556c8c5269deb457b89d538644a3b747","https://git.kernel.org/stable/c/2fb010ea7ca98cd09a6d365260b769f627e73a76","https://git.kernel.org/stable/c/331d8900121a1d74ecd45cd2db742ddcb5a0a565"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80676","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80676","identifiers":["CVE-2026-80676"]},"retained":false,"historicalAffected":[]}],"coverage":[]}