{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93818","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-18T17:59:28.791Z","datePublished":"2026-09-24T16:02:54.890Z","dateUpdated":"2026-09-25T12:43:26.921Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-25T12:43:26.921Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: plda: 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/plda/pcie-plda-host.c"],"versions":[{"version":"76c9113968079140cb2f885631db422170f32105","lessThan":"105f212a21cc6bef6855841216dd476022626170","status":"affected","versionType":"git"},{"version":"76c9113968079140cb2f885631db422170f32105","lessThan":"cb78a1d7a2787758a2d8e1182c346d4349f43260","status":"affected","versionType":"git"},{"version":"76c9113968079140cb2f885631db422170f32105","lessThan":"4e4f9745f016c1631d00a4035b06f6e75d449e01","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/plda/pcie-plda-host.c"],"versions":[{"version":"6.11","status":"affected"},{"version":"0","lessThan":"6.11","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":"6.11","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/105f212a21cc6bef6855841216dd476022626170"},{"url":"https://git.kernel.org/stable/c/cb78a1d7a2787758a2d8e1182c346d4349f43260"},{"url":"https://git.kernel.org/stable/c/4e4f9745f016c1631d00a4035b06f6e75d449e01"}],"title":"PCI: plda: Protect root bus removal with rescan lock","x_generator":{"engine":"bippy-1.2.0"}}}}