{"api_version":"1","generated_at":"2026-08-28T23:58:53+00:00","cve":"CVE-2026-80676","urls":{"html":"https://cve.report/CVE-2026-80676","api":"https://cve.report/api/cve/CVE-2026-80676.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80676","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80676"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:52","updated_at":"2026-08-28 08:16:52"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d1cb12ae81d2f7a58b0b1cfb51862afca98e6058","name":"https://git.kernel.org/stable/c/d1cb12ae81d2f7a58b0b1cfb51862afca98e6058","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2fb010ea7ca98cd09a6d365260b769f627e73a76","name":"https://git.kernel.org/stable/c/2fb010ea7ca98cd09a6d365260b769f627e73a76","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/331d8900121a1d74ecd45cd2db742ddcb5a0a565","name":"https://git.kernel.org/stable/c/331d8900121a1d74ecd45cd2db742ddcb5a0a565","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0e2f0833556c8c5269deb457b89d538644a3b747","name":"https://git.kernel.org/stable/c/0e2f0833556c8c5269deb457b89d538644a3b747","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80676","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80676","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d765edbb301c0e196015a59b17420558088ea33f d1cb12ae81d2f7a58b0b1cfb51862afca98e6058 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d765edbb301c0e196015a59b17420558088ea33f 0e2f0833556c8c5269deb457b89d538644a3b747 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d765edbb301c0e196015a59b17420558088ea33f 2fb010ea7ca98cd09a6d365260b769f627e73a76 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d765edbb301c0e196015a59b17420558088ea33f 331d8900121a1d74ecd45cd2db742ddcb5a0a565 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.20","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.20 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/hv/vmbus_drv.c","include/linux/hyperv.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d1cb12ae81d2f7a58b0b1cfb51862afca98e6058","status":"affected","version":"d765edbb301c0e196015a59b17420558088ea33f","versionType":"git"},{"lessThan":"0e2f0833556c8c5269deb457b89d538644a3b747","status":"affected","version":"d765edbb301c0e196015a59b17420558088ea33f","versionType":"git"},{"lessThan":"2fb010ea7ca98cd09a6d365260b769f627e73a76","status":"affected","version":"d765edbb301c0e196015a59b17420558088ea33f","versionType":"git"},{"lessThan":"331d8900121a1d74ecd45cd2db742ddcb5a0a565","status":"affected","version":"d765edbb301c0e196015a59b17420558088ea33f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/hv/vmbus_drv.c","include/linux/hyperv.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.20"},{"lessThan":"4.20","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"4.20","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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]"}],"providerMetadata":{"dateUpdated":"2026-08-28T06:49:14.747Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80676","datePublished":"2026-08-28T06:49:14.747Z","dateReserved":"2026-08-26T14:34:25.783Z","dateUpdated":"2026-08-28T06:49:14.747Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:52","lastModifiedDate":"2026-08-28 08:16:52","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80676","Ordinal":"1","Title":"Drivers: hv: vmbus: use generic driver_override infrastructure","CVE":"CVE-2026-80676","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80676","Ordinal":"1","NoteData":"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]","Type":"Description","Title":"Drivers: hv: vmbus: use generic driver_override infrastructure"}]}}}