CVE-2026-68407

Updated on 10 Aug 2026

Severity

3.3 Low severity

Details

CVSS score
3.3

Overview

About vulnerability

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.

Details

Affected packages:
linux @ 4.19.0 (+6 more)

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
Debian 12 Planned —
Ubuntu 24.04 Planned —
Ubuntu 24.04 AWS Planned —
Ubuntu 26.04 Will Not Fix —