CVE-2026-68407 is a vulnerability in Linux Kernel
Published on August 10, 2026
wifi: nl80211: free RNR data on MBSSID mismatch
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.
Products Associated with CVE-2026-68407
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Affected Versions
Linux:- Version dbbb27e183b1568d5a907ace1cd144b0709ea52a and below fa9592ef7de11f8c7042315d9bc20e91a97f679e is affected.
- Version dbbb27e183b1568d5a907ace1cd144b0709ea52a and below 312c8b9d7836ef58e552619a8c19be08b04032bb is affected.
- Version dbbb27e183b1568d5a907ace1cd144b0709ea52a and below fb052a6e2fa866384d8edc237746583ec94c15af is affected.
- Version dbbb27e183b1568d5a907ace1cd144b0709ea52a and below 6f919f29e9b75793104709987131b8d910d7800a is affected.
- Version dbbb27e183b1568d5a907ace1cd144b0709ea52a and below 07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c is affected.
- Version 56189d7bc30531def6b999f27940ee43c6ff2569 is affected.
- Version 6.1.160 and below 6.2 is affected.
- Version 6.4 is affected.
- Before 6.4 is unaffected.
- Version 6.6.148, <= 6.6.* is unaffected.
- Version 6.12.101, <= 6.12.* is unaffected.
- Version 6.18.42, <= 6.18.* is unaffected.
- Version 7.1.6, <= 7.1.* is unaffected.
- Version 7.2-rc4, <= * is unaffected.