{"cve":"CVE-2026-93821","nvd":{"published":"2026-09-24T17:17:15.690","modified":"2026-10-03T11:17:51.897","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: altera: 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]","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3","https://git.kernel.org/stable/c/4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7","https://git.kernel.org/stable/c/7cbb8f2750d91e64caff89e164ac8280bb80bedc","https://git.kernel.org/stable/c/a8759c8ac48c0419f5899e95a6ffc611b07c965b","https://git.kernel.org/stable/c/c0cd65906e5f7e293ef2568c9524cc0a918333c3"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-93821","score":0.00173,"percentile":0.06634,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}