{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93819","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-18T17:59:28.791Z","datePublished":"2026-09-24T16:02:56.394Z","dateUpdated":"2026-10-03T10:57:50.269Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-03T10:57:50.269Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Protect root bus removal with rescan lock\n\nHold the pci_rescan_remove_lock lock while stopping and removing a root bus\nto avoid racing with concurrent rescan or hotplug operations triggered via\nsysfs.  Such races may lead to use-after-free issues or system crashes.\n\n[bhelgaas: commit log]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/pcie-mediatek.c"],"versions":[{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"d54417acb22d9e8bc404a8598330bc9729ee7146","status":"affected","versionType":"git"},{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"5dd379acfa38c516e904bcfa693502cd585a0bba","status":"affected","versionType":"git"},{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"8d910649725955435c6a807944108bca0570712d","status":"affected","versionType":"git"},{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"31e33dcc896527b3ad790fdc6aa6b8d2995c078b","status":"affected","versionType":"git"},{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"c57b971765f835138fa2fce3f2a171b004cbb114","status":"affected","versionType":"git"},{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"a568939487dcbc1a3e341208585e224be897e25e","status":"affected","versionType":"git"},{"version":"031337ace2d1c22a447da6390716fe92592cdd6e","lessThan":"a29812a55da8d0dbeb071b26ac428c338e3fc389","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/pci/controller/pcie-mediatek.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","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":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d54417acb22d9e8bc404a8598330bc9729ee7146"},{"url":"https://git.kernel.org/stable/c/5dd379acfa38c516e904bcfa693502cd585a0bba"},{"url":"https://git.kernel.org/stable/c/8d910649725955435c6a807944108bca0570712d"},{"url":"https://git.kernel.org/stable/c/31e33dcc896527b3ad790fdc6aa6b8d2995c078b"},{"url":"https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114"},{"url":"https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e"},{"url":"https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389"}],"title":"PCI: mediatek: Protect root bus removal with rescan lock","x_generator":{"engine":"bippy-1.2.0"}}}}