What is CVE-2026-80814?

CVE-2026-80814 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 2.6.14 onward and patched in 5.10.267, 5.15.218, 6.1.185 and others. CVE-2026-80814 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-80814?

CVE-2026-80814 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-80814?

Yes, CVE-2026-80814 has been patched. Fixed versions include 5.10.267, 5.15.218, 6.1.185 and others. If you are running Linux kernel 2.6.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-80814 actively exploited?

CVE-2026-80814 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-80814

In the Linux kernel, the following vulnerability has been resolved: rndis_host: add overflow check in rndis_rx_fixup() Add an overflow check to ensure that data_offset + data_len + 8 does not wrap, which would enable an OOB read of the USB data buffer.

Package Linux Kernel

Published 2026-09-04

Last modified 2026-10-19

Patch available

Yes

Affected versions

Linux kernel versions 2.6.14 and later are affected. Fixed in 5.10.267, 5.15.218, 6.1.185, 6.6.154, 6.12.106, 6.18.47, 7.1.11, 7.2.1, 7.3 and their respective stable series.

Affected from

≥ 2.6.14

Fixed in

✓ 5.10.267 5.10.x ✓ 5.15.218 5.15.x ✓ 6.1.185 6.1.x ✓ 6.6.154 6.6.x ✓ 6.12.106 6.12.x ✓ 6.18.47 6.18.x ✓ 7.1.11 7.1.x ✓ 7.2.1 7.2.x ✓ 7.3

References

9 total

Showing 5 of 9 references View all on NVD

Frequently asked questions

What is CVE-2026-80814?

CVE-2026-80814 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.14 onward and has been patched in 5.10.267, 5.15.218, 6.1.185 and others. CVE-2026-80814 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-80814?

Yes. CVE-2026-80814 has been patched. Fixed versions include 5.10.267, 5.15.218, 6.1.185 and others. If you are running Linux kernel 2.6.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-80814 actively exploited?

No. CVE-2026-80814 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.