What is CVE-2026-98159?

CVE-2026-98159 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 6.1 onward and patched in 6.1.189, 6.6.158, 6.12.111 and others. CVE-2026-98159 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-98159?

CVE-2026-98159 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-98159?

Yes, CVE-2026-98159 has been patched. Fixed versions include 6.1.189, 6.6.158, 6.12.111 and others. If you are running Linux kernel 6.1 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-98159 actively exploited?

CVE-2026-98159 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-98159

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: validate CLC firmware records The CLC region is supplied by firmware, but the loader trusts the region count and each record length. A malformed image can make the region table pointer precede the firmware buffer, make the record loop fail to advance, or index phy->clc past its end. Validate the table and record bounds before dereferencing or copying.

Package Linux Kernel

Published 2026-09-25

Last modified 2026-10-03

Patch available

Yes

Affected versions

Linux kernel versions 6.1 and later are affected. Fixed in 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7, 7.3-rc1 and their respective stable series.

Affected from

≥ 6.1

Fixed in

✓ 6.1.189 6.1.x ✓ 6.6.158 6.6.x ✓ 6.12.111 6.12.x ✓ 6.18.53 6.18.x ✓ 7.2.7 7.2.x ✓ 7.3-rc1

References

6 total

Showing 5 of 6 references View all on NVD

Frequently asked questions

What is CVE-2026-98159?

CVE-2026-98159 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.1 onward and has been patched in 6.1.189, 6.6.158, 6.12.111 and others. CVE-2026-98159 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-98159?

Yes. CVE-2026-98159 has been patched. Fixed versions include 6.1.189, 6.6.158, 6.12.111 and others. If you are running Linux kernel 6.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-98159 actively exploited?

No. CVE-2026-98159 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.