{"id":"CVE-2026-93820","summary":"PCI: rockchip: Protect root bus removal with rescan lock","details":"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]","modified":"2026-09-26T03:48:29.134822783Z","published":"2026-09-24T16:02:58.625Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93820.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93820.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93820"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"073d3dbe9a7c38888d8dafe09df421b174a6cffa"},{"fixed":"ebca7e5947720e9d4bd918af3e17720270c50744"},{"fixed":"9b19201f57d87c4d0777621275dbc59bff41b7f2"},{"fixed":"0bd9611587bb494c33566d825fe34b2705e4b167"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93820.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.12.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93820.json"}}],"schema_version":"1.9.0"}