{"api_version":"1","generated_at":"2026-10-01T21:11:53+00:00","cve":"CVE-2026-93820","urls":{"html":"https://cve.report/CVE-2026-93820","api":"https://cve.report/api/cve/CVE-2026-93820.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93820","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93820"},"summary":{"title":"PCI: rockchip: Protect root bus removal with rescan lock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: rockchip: 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/9b19201f57d87c4d0777621275dbc59bff41b7f2","name":"https://git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167","name":"https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744","name":"https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93820","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93820","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa ebca7e5947720e9d4bd918af3e17720270c50744 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa 9b19201f57d87c4d0777621275dbc59bff41b7f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa 0bd9611587bb494c33566d825fe34b2705e4b167 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.12 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":"93820","cve":"CVE-2026-93820","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-rockchip-host.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ebca7e5947720e9d4bd918af3e17720270c50744","status":"affected","version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","versionType":"git"},{"lessThan":"9b19201f57d87c4d0777621275dbc59bff41b7f2","status":"affected","version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","versionType":"git"},{"lessThan":"0bd9611587bb494c33566d825fe34b2705e4b167","status":"affected","version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/controller/pcie-rockchip-host.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","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":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"4.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: rockchip: 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":"2026-09-25T12:43:29.203Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744"},{"url":"https://git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2"},{"url":"https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167"}],"title":"PCI: rockchip: 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-2026-93820","datePublished":"2026-09-24T16:02:58.625Z","dateReserved":"2026-09-18T17:59:28.791Z","dateUpdated":"2026-09-25T12:43:29.203Z","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":"93820","Ordinal":"1","Title":"PCI: rockchip: Protect root bus removal with rescan lock","CVE":"CVE-2026-93820","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93820","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: rockchip: 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: rockchip: Protect root bus removal with rescan lock"}]}}}