{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93820","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-18T17:59:28.791Z","datePublished":"2026-09-24T16:02:58.625Z","dateUpdated":"2026-10-03T10:57:51.365Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-03T10:57:51.365Z"},"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]"}],"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-rockchip-host.c"],"versions":[{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"025308e7c9cd10112b73558c9f63f8f7285fa726","status":"affected","versionType":"git"},{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"ac47d42901859edb504a2890a3a5709c86dbc0c3","status":"affected","versionType":"git"},{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"eaeb9bed3641741aceb0add84a97023bed61e748","status":"affected","versionType":"git"},{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652","status":"affected","versionType":"git"},{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"ebca7e5947720e9d4bd918af3e17720270c50744","status":"affected","versionType":"git"},{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"9b19201f57d87c4d0777621275dbc59bff41b7f2","status":"affected","versionType":"git"},{"version":"073d3dbe9a7c38888d8dafe09df421b174a6cffa","lessThan":"0bd9611587bb494c33566d825fe34b2705e4b167","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-rockchip-host.c"],"versions":[{"version":"4.12","status":"affected"},{"version":"0","lessThan":"4.12","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":"4.12","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/025308e7c9cd10112b73558c9f63f8f7285fa726"},{"url":"https://git.kernel.org/stable/c/ac47d42901859edb504a2890a3a5709c86dbc0c3"},{"url":"https://git.kernel.org/stable/c/eaeb9bed3641741aceb0add84a97023bed61e748"},{"url":"https://git.kernel.org/stable/c/5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652"},{"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"}}}}