CVE-2026-93822

PCI: iproc: 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: 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]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	1fb37a8178da007cad75f48e2355b9dcb0711e06 to before e7d9d7be2c1f8d434032983bc86a05805178c9c9Affected 1fb37a8178da007cad75f48e2355b9dcb0711e06 to before 1618e374ba4c7117c04662422ef985e9d64e2466Affected 1fb37a8178da007cad75f48e2355b9dcb0711e06 to before 4e1d34d824050a4e700ca442f815a95d9f214b83Affected 1fb37a8178da007cad75f48e2355b9dcb0711e06 to before aaf4153caed9f1760b9f266612b0599bfd97150cAffected 1fb37a8178da007cad75f48e2355b9dcb0711e06 to before bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3Affected 1fb37a8178da007cad75f48e2355b9dcb0711e06 to before ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6cAffected 1fb37a8178da007cad75f48e2355b9dcb0711e06 to before a6a64e150f12ad5391e0a0d60f6a3d119b06ce50Affected
LinuxLinux	4.1Affected before 4.1Not 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

1fb37a8178da007cad75f48e2355b9dcb0711e06 to before e7d9d7be2c1f8d434032983bc86a05805178c9c9Affected
1fb37a8178da007cad75f48e2355b9dcb0711e06 to before 1618e374ba4c7117c04662422ef985e9d64e2466Affected
1fb37a8178da007cad75f48e2355b9dcb0711e06 to before 4e1d34d824050a4e700ca442f815a95d9f214b83Affected
1fb37a8178da007cad75f48e2355b9dcb0711e06 to before aaf4153caed9f1760b9f266612b0599bfd97150cAffected
1fb37a8178da007cad75f48e2355b9dcb0711e06 to before bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3Affected
1fb37a8178da007cad75f48e2355b9dcb0711e06 to before ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6cAffected
1fb37a8178da007cad75f48e2355b9dcb0711e06 to before a6a64e150f12ad5391e0a0d60f6a3d119b06ce50Affected

LinuxLinux

4.1Affected
before 4.1Not 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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