{"api_version":"1","generated_at":"2026-10-01T09:09:02+00:00","cve":"CVE-2026-93819","urls":{"html":"https://cve.report/CVE-2026-93819","api":"https://cve.report/api/cve/CVE-2026-93819.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93819","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93819"},"summary":{"title":"PCI: mediatek: Protect root bus removal with rescan lock","description":"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]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 17:17:15","updated_at":"2026-09-25 13:17:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389","name":"https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114","name":"https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e","name":"https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93819","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93819","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 031337ace2d1c22a447da6390716fe92592cdd6e c57b971765f835138fa2fce3f2a171b004cbb114 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 031337ace2d1c22a447da6390716fe92592cdd6e a568939487dcbc1a3e341208585e224be897e25e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 031337ace2d1c22a447da6390716fe92592cdd6e a29812a55da8d0dbeb071b26ac428c338e3fc389 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 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* 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":{"cve_year":"2026","cve_id":"93819","cve":"CVE-2026-93819","epss":"0.001660000","percentile":"0.052140000","score_date":"2026-09-27","updated_at":"2026-09-28 00:02:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/controller/pcie-mediatek.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c57b971765f835138fa2fce3f2a171b004cbb114","status":"affected","version":"031337ace2d1c22a447da6390716fe92592cdd6e","versionType":"git"},{"lessThan":"a568939487dcbc1a3e341208585e224be897e25e","status":"affected","version":"031337ace2d1c22a447da6390716fe92592cdd6e","versionType":"git"},{"lessThan":"a29812a55da8d0dbeb071b26ac428c338e3fc389","status":"affected","version":"031337ace2d1c22a447da6390716fe92592cdd6e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/controller/pcie-mediatek.c"],"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":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","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":"6.12.111","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","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\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]"}],"providerMetadata":{"dateUpdated":"2026-09-25T12:43:28.044Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93819","datePublished":"2026-09-24T16:02:56.394Z","dateReserved":"2026-09-18T17:59:28.791Z","dateUpdated":"2026-09-25T12:43:28.044Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 17:17:15","lastModifiedDate":"2026-09-25 13:17:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93819","Ordinal":"1","Title":"PCI: mediatek: Protect root bus removal with rescan lock","CVE":"CVE-2026-93819","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93819","Ordinal":"1","NoteData":"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]","Type":"Description","Title":"PCI: mediatek: Protect root bus removal with rescan lock"}]}}}