{"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"}}}}