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CVE-2026-93820

UnknownEPSS 0.17%

Last modified

CVE-2026-93820 is a vulnerability of currently unknown severity. 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]. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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]

Metrics

EPSS Probability
0.17%

5.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 025308e7c9cd10112b73558c9f63f8f7285fa726; >= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < ac47d42901859edb504a2890a3a5709c86dbc0c3; >= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < eaeb9bed3641741aceb0add84a97023bed61e748; >= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652; >= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < ebca7e5947720e9d4bd918af3e17720270c50744; >= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 9b19201f57d87c4d0777621275dbc59bff41b7f2; >= 073d3dbe9a7c38888d8dafe09df421b174a6cffa, < 0bd9611587bb494c33566d825fe34b2705e4b167
LinuxLinux4.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-93820?
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]
How severe is CVE-2026-93820?
Severity scoring for CVE-2026-93820 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-93820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST