CVE-2026-68407 PUBLISHED

wifi: nl80211: free RNR data on MBSSID mismatch

Assigner: Linux
Reserved: 30.07.2026 Published: 10.08.2026 Updated: 10.08.2026

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.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from dbbb27e183b1568d5a907ace1cd144b0709ea52a to fa9592ef7de11f8c7042315d9bc20e91a97f679e (excl.) affected from dbbb27e183b1568d5a907ace1cd144b0709ea52a to 312c8b9d7836ef58e552619a8c19be08b04032bb (excl.) affected from dbbb27e183b1568d5a907ace1cd144b0709ea52a to fb052a6e2fa866384d8edc237746583ec94c15af (excl.) affected from dbbb27e183b1568d5a907ace1cd144b0709ea52a to 6f919f29e9b75793104709987131b8d910d7800a (excl.) affected from dbbb27e183b1568d5a907ace1cd144b0709ea52a to 07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c (excl.) Version 56189d7bc30531def6b999f27940ee43c6ff2569 is affected affected from 6.1.160 to 6.2 (excl.)

Vendor	Linux
Product	Linux
Versions	Default: affected Version 6.4 is affected unaffected from 0 to 6.4 (excl.) unaffected from 6.6.148 to 6.6.* (incl.) unaffected from 6.12.101 to 6.12.* (incl.) unaffected from 6.18.42 to 6.18.* (incl.) unaffected from 7.1.6 to 7.1.* (incl.) unaffected from 7.2-rc4 to * (incl.)