CVE-2026-93820

Summary

In the Linux kernel, the following vulnerability has been resolved:

PCI: rockchip: 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]

Affected Software

VendorProductVersion RangeStatus
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < 025308e7c9cd10112b73558c9f63f8f7285fa726affected
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < ac47d42901859edb504a2890a3a5709c86dbc0c3affected
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < eaeb9bed3641741aceb0add84a97023bed61e748affected
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < 5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652affected
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < ebca7e5947720e9d4bd918af3e17720270c50744affected
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < 9b19201f57d87c4d0777621275dbc59bff41b7f2affected
LinuxLinux073d3dbe9a7c38888d8dafe09df421b174a6cffa < 0bd9611587bb494c33566d825fe34b2705e4b167affected
LinuxLinux4.12affected
LinuxLinux0 < 4.12unaffected
LinuxLinux5.10.271 <= 5.10.*unaffected
LinuxLinux5.15.222 <= 5.15.*unaffected
LinuxLinux6.1.189 <= 6.1.*unaffected
LinuxLinux6.6.158 <= 6.6.*unaffected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References