CVE-2026-68472
CVE CVE-2026-68472EUVD EUVD-2026-59094Published 2026-08-15T05:51:29.000ZLast changed 2026-08-17T05:39:15.000ZCVSS 8.1
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate EHT MLE before MLD ID read cfg80211_gen_new_ie() copies ML probe response elements from the parent frame when the parent EHT multi-link element has an MLD ID matching the nontransmitted BSSID index. The code only checked that the extension element had more than one byte before calling ieee80211_mle_get_mld_id(). That helper assumes a BASIC MLE with enough common info and documents that callers must first use ieee80211_mle_type_ok(). Attack chain: malicious AP sends a short EHT MLE in an MBSSID beacon. cfg80211_inform_bss_frame_data() stores the copied IE buffer. cfg80211_parse_mbssid_data() builds the nontransmitted BSS IE. cfg80211_gen_new_ie() sees the EHT MLE in the parent frame. ieee80211_mle_get_mld_id() then reads past the IE boundary. Validate the MLE type and size before reading the MLD ID. This matches the contract required by the MLE helper and rejects the short element before any internal MLE fields are accessed.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 7.1.5; patch: 6.18.40; patch: 0; 61dcfa8c2a8f6c53ce77b2c832b82990754b2aa9 <584657c5fc58d7a840623a2fa06331c9661dd0f1; 6.14; patch: 7.2; 61dcfa8c2a8f6c53ce77b2c832b82990754b2aa9 <74e27cd1d98b546fdb276008a83708d062339661; 61dcfa8c2a8f6c53ce77b2c832b82990754b2aa9 <3b0505e43da8fb5b2a7994c3c3604e5a74692154
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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