PCI: iproc: Protect root bus removal with rescan lock
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 4 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
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]
Why it matters now
EPSS 0.00173 6th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.271, 5.15.222, 6.1.189 +4Red Hat: 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93822
- 2026-10-03 Alias added: GHSA-cg47-h57j-rvmx
- 2026-10-03 Fix available: Linux/Linux@1618e374ba4c7117c04662422ef985e9d64e2466, Linux/Linux@4e1d34d824050a4e700ca442f815a95d9f214b83, Linux/[email protected] +5 · CNA
- 2026-10-03 4 new references · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 7
- https://git.kernel.org/stable/c/e7d9d7be2c1f8d434032983bc86a05805178c9c9
- https://git.kernel.org/stable/c/1618e374ba4c7117c04662422ef985e9d64e2466
- https://git.kernel.org/stable/c/4e1d34d824050a4e700ca442f815a95d9f214b83
- https://git.kernel.org/stable/c/aaf4153caed9f1760b9f266612b0599bfd97150c
- https://git.kernel.org/stable/c/bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3
- https://git.kernel.org/stable/c/ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6c
- https://git.kernel.org/stable/c/a6a64e150f12ad5391e0a0d60f6a3d119b06ce50
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- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-93822 · CVE Program
- CVE-2026-93822 · NVD
- FIRST EPSS
- GHSA-cg47-h57j-rvmx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-93822 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences