CVE-2026-93822

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < e7d9d7be2c1f8d434032983bc86a05805178c9c9affected
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < 1618e374ba4c7117c04662422ef985e9d64e2466affected
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < 4e1d34d824050a4e700ca442f815a95d9f214b83affected
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < aaf4153caed9f1760b9f266612b0599bfd97150caffected
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3affected
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6caffected
LinuxLinux1fb37a8178da007cad75f48e2355b9dcb0711e06 < a6a64e150f12ad5391e0a0d60f6a3d119b06ce50affected
LinuxLinux4.1affected
LinuxLinux0 < 4.1unaffected
LinuxLinux5.10.271 <= 5.10.*unaffected
LinuxLinux5.15.222 <= 5.15.*unaffected
LinuxLinux6.1.189 <= 6.1.*unaffected
LinuxLinux6.6.158 <= 6.6.*unaffected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References