What is CVE-2026-80830?

CVE-2026-80830 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 3.4 onward and patched in 5.10.269, 5.15.220, 6.1.187 and others. CVE-2026-80830 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-80830?

CVE-2026-80830 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-80830?

Yes, CVE-2026-80830 has been patched. Fixed versions include 5.10.269, 5.15.220, 6.1.187 and others. If you are running Linux kernel 3.4 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-80830 actively exploited?

CVE-2026-80830 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-80830

In the Linux kernel, the following vulnerability has been resolved: usb: core: Add lock to usb_wakeup_notification() Add a spin lock to usb_wakeup notification to prevent a race condition with dereferencing freed memory. This could be hit by the xHCI driver as it calls this function from an IRQ and could race with the hub_disconnect() function, which properly grabs this lock to protect the state of the device.

Package Linux Kernel

Published 2026-09-04

Last modified 2026-10-19

Patch available

Yes

Affected versions

Linux kernel versions 3.4 and later are affected. Fixed in 5.10.269, 5.15.220, 6.1.187, 6.6.156, 6.12.108, 6.18.49, 7.1.13, 7.2.3, 7.3 and their respective stable series.

Affected from

≥ 3.4

Fixed in

✓ 5.10.269 5.10.x ✓ 5.15.220 5.15.x ✓ 6.1.187 6.1.x ✓ 6.6.156 6.6.x ✓ 6.12.108 6.12.x ✓ 6.18.49 6.18.x ✓ 7.1.13 7.1.x ✓ 7.2.3 7.2.x ✓ 7.3

References

9 total

Showing 5 of 9 references View all on NVD

Frequently asked questions

What is CVE-2026-80830?

CVE-2026-80830 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.4 onward and has been patched in 5.10.269, 5.15.220, 6.1.187 and others. CVE-2026-80830 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-80830?

Yes. CVE-2026-80830 has been patched. Fixed versions include 5.10.269, 5.15.220, 6.1.187 and others. If you are running Linux kernel 3.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-80830 actively exploited?

No. CVE-2026-80830 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.