CVE-2026-93820

PCI: rockchip: Protect root bus removal with rescan lock

State: Published
Severity: Not scored
Published: Sep 24, 2026
Updated: Oct 3, 2026
Reserved: Sep 18, 2026

Description

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]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 025308e7c9cd10112b73558c9f63f8f7285fa726Affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa to before ac47d42901859edb504a2890a3a5709c86dbc0c3Affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa to before eaeb9bed3641741aceb0add84a97023bed61e748Affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652Affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa to before ebca7e5947720e9d4bd918af3e17720270c50744Affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 9b19201f57d87c4d0777621275dbc59bff41b7f2Affected 073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 0bd9611587bb494c33566d825fe34b2705e4b167Affected
LinuxLinux	4.12Affected before 4.12Not affected 5.10.271 through 5.10.Not affected 5.15.222 through 5.15.Not affected 6.1.189 through 6.1.Not affected 6.6.158 through 6.6.Not affected 6.12.111 through 6.12.Not affected 6.18.53 through 6.18.Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 025308e7c9cd10112b73558c9f63f8f7285fa726Affected
073d3dbe9a7c38888d8dafe09df421b174a6cffa to before ac47d42901859edb504a2890a3a5709c86dbc0c3Affected
073d3dbe9a7c38888d8dafe09df421b174a6cffa to before eaeb9bed3641741aceb0add84a97023bed61e748Affected
073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652Affected
073d3dbe9a7c38888d8dafe09df421b174a6cffa to before ebca7e5947720e9d4bd918af3e17720270c50744Affected
073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 9b19201f57d87c4d0777621275dbc59bff41b7f2Affected
073d3dbe9a7c38888d8dafe09df421b174a6cffa to before 0bd9611587bb494c33566d825fe34b2705e4b167Affected

LinuxLinux

4.12Affected
before 4.12Not affected
5.10.271 through 5.10.*Not affected
5.15.222 through 5.15.*Not affected
6.1.189 through 6.1.*Not affected
6.6.158 through 6.6.*Not affected
6.12.111 through 6.12.*Not affected
6.18.53 through 6.18.*Not affected
7.2 and laterNot affected

References

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