{"id":"CVE-2026-93818","title":"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…","summary":"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…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 105f212a21cc6bef6855841216dd476022626170","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb78a1d7a2787758a2d8e1182c346d4349f43260","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4e4f9745f016c1631d00a4035b06f6e75d449e01","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-25","sourceUpdated":"2026-09-25T13:17:22.683","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93818","references":[{"url":"https://git.kernel.org/stable/c/105f212a21cc6bef6855841216dd476022626170","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4e4f9745f016c1631d00a4035b06f6e75d449e01","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cb78a1d7a2787758a2d8e1182c346d4349f43260","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93818.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93818"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540550"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93818"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93818"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93818.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-24T16:47:15.892Z","epss":0.00166,"epssPercentile":0.05792,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-366"],"slug":"CVE-2026-93818","body":"## Overview\n\nIn 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]\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93818.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224292,"id":"CVE-2026-93818","ts":1792325075834,"field":"cvss","old":null,"new":"5.5"},{"seq":224291,"id":"CVE-2026-93818","ts":1792325075834,"field":"severity","old":"none","new":"medium"}]}