What’s Vulnerable › Vulnerabilities

CVE-2026-93822: PCI: iproc: Protect root bus removal with rescan lock

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-03

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: iproc: 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 products

• Linux kernel: 4.1 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1618e374ba4c7117c04662422ef985e9d64e2466
• https://git.kernel.org/stable/c/4e1d34d824050a4e700ca442f815a95d9f214b83
• https://git.kernel.org/stable/c/a6a64e150f12ad5391e0a0d60f6a3d119b06ce50
• https://git.kernel.org/stable/c/aaf4153caed9f1760b9f266612b0599bfd97150c
• https://git.kernel.org/stable/c/bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3
• https://git.kernel.org/stable/c/e7d9d7be2c1f8d434032983bc86a05805178c9c9
• https://git.kernel.org/stable/c/ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6c

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