CVE-2026-93822

PCI: iproc: Protect root bus removal with rescan lock

N/A

Published: September 24, 2026 at 04:03 PM UTC

Updated: October 3, 2026 at 11:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.1 ≤ v < 5.10.2714.1 ≤ v < 5.15.2224.1 ≤ v < 6.1.1894.1 ≤ v < 6.12.1114.1 ≤ v < 6.18.534.1 ≤ v < 6.6.1584.1 ≤ v < 7.21fb37a8178da007cad75f48e2355b9dcb0711e064.1

Vendor states this is fixed in 1618e374ba4c7117c04662422ef985e9d64e2466 (fixed)

Vendor states this is fixed in 4e1d34d824050a4e700ca442f815a95d9f214b83 (fixed)

Vendor states this is fixed in a6a64e150f12ad5391e0a0d60f6a3d119b06ce50 (fixed)

Vendor states this is fixed in aaf4153caed9f1760b9f266612b0599bfd97150c (fixed)

Vendor states this is fixed in bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3 (fixed)

Vendor states this is fixed in e7d9d7be2c1f8d434032983bc86a05805178c9c9 (fixed)

Vendor states this is fixed in ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6c (fixed)

Vendor states this is fixed in 4.1 (unaffected)

Vendor states this is fixed in 5.10.271 (unaffected)

Vendor states this is fixed in 5.15.222 (unaffected)

Vendor states this is fixed in 6.1.189 (unaffected)

Vendor states this is fixed in 6.12.111 (unaffected)