CVE-2026-68407

EUVD-2026-55593
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
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Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.262-1
fixed
forky
7.1.7-1
fixed
sid
7.1.7-1
fixed
trixie
vulnerable
trixie (security)
6.12.101-1
fixed
References
https://git.kernel.org/stable/c/07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c
https://git.kernel.org/stable/c/312c8b9d7836ef58e552619a8c19be08b04032bb
https://git.kernel.org/stable/c/6f919f29e9b75793104709987131b8d910d7800a
https://git.kernel.org/stable/c/fa9592ef7de11f8c7042315d9bc20e91a97f679e
https://git.kernel.org/stable/c/fb052a6e2fa866384d8edc237746583ec94c15af