CVE-2026-93818

high

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: plda: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

References

https://git.kernel.org/stable/c/cb78a1d7a2787758a2d8e1182c346d4349f43260

https://git.kernel.org/stable/c/4e4f9745f016c1631d00a4035b06f6e75d449e01

https://git.kernel.org/stable/c/105f212a21cc6bef6855841216dd476022626170

Details

Source: Mitre, NVD

Published: 2026-09-24

Updated: 2026-09-25

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High

EPSS

EPSS: 0.00166