CVE-2026-68407

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: free RNR data on MBSSID mismatch nl80211_parse_beacon() rejects EMA RNR data when there are fewer RNR entries than MBSSID entries. The rejected RNR allocation has not been attached to the beacon data yet, so free it before returning the error.

Package Linux Kernel
Published 2026-08-10
Last modified 2026-08-19
Patch available
Yes

Affected versions

Linux kernel versions 6.1.160, 6.4 and later are affected. Fixed in 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6, 7.2 and their respective stable series.

Affected from
≥ 6.1.160 ≥ 6.4
Fixed in
✓ 6.1.183 6.1.x ✓ 6.6.148 6.6.x ✓ 6.12.101 6.12.x ✓ 6.18.42 6.18.x ✓ 7.1.6 7.1.x ✓ 7.2

Frequently asked questions

  • What is CVE-2026-68407?

    CVE-2026-68407 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.1.160 onward and has been patched in 6.1.183, 6.6.148, 6.12.101 and others. CVE-2026-68407 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-68407?

    Yes. CVE-2026-68407 has been patched. Fixed versions include 6.1.183, 6.6.148, 6.12.101 and others. If you are running Linux kernel 6.1.160 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-68407 actively exploited?

    No. CVE-2026-68407 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.