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CVE-2026-93822

Linux: PCI: iproc: Protect root bus removal with rescan lock

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1618e374ba4c7117c04662422ef985e9d64e2466Also 4e1d34d824050a4e700ca442f815a95d9f214b83CVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 1618e374ba4c7117c04662422ef985e9d64e2466LinuxCVE List
  • 4e1d34d824050a4e700ca442f815a95d9f214b83LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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]

Text from CVE List

Affected versions 16

  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before e7d9d7be2c1f8d434032983bc86a05805178c9c9CVE List
  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before 1618e374ba4c7117c04662422ef985e9d64e2466CVE List
  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before 4e1d34d824050a4e700ca442f815a95d9f214b83CVE List
  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before aaf4153caed9f1760b9f266612b0599bfd97150cCVE List
  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3CVE List
  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6cCVE List
  • Linuxaffected: 1fb37a8178da007cad75f48e2355b9dcb0711e06 before a6a64e150f12ad5391e0a0d60f6a3d119b06ce50CVE List
  • Linuxaffected: 4.1CVE List
  • Linuxunaffected: all versions before 4.1CVE List
  • Linuxunaffected: 5.10.271 through 5.10.*CVE List
  • Linuxunaffected: 5.15.222 through 5.15.*CVE List
  • Linuxunaffected: 6.1.189 through 6.1.*CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.111 through 6.12.*CVE List
  • Linuxunaffected: 6.18.53 through 6.18.*CVE List
  • Linuxunaffected: 7.2CVE List

References 7