CVE-2026-68470

CVE CVE-2026-68470EUVD EUVD-2026-59092Published 2026-08-15T05:51:28.000ZLast changed 2026-08-17T05:39:12.000ZCVSS 8.8

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate extension-frame layout before RX Extension frames only have the extension header at the regular 802.11 header offset. The generic RX path can still reach helpers and interface dispatch code that read regular header address fields before unsupported extension subtypes are dropped. mac80211 currently only handles S1G beacon extension frames. Drop other extension subtypes before they can reach regular-header RX processing. For S1G beacons, linearize the SKB with the management-frame path and require the fixed S1G beacon header, including optional fixed fields indicated by frame control, before generic RX dispatch. Route S1G beacons through the station/default-link RX path without regular-header station lookup. Avoid regular-header address reads in the mac80211 RX paths that process S1G extension beacons, including accept-frame, duplicate-detection, address-copy, and MLO address-translation paths. Also make ieee80211_get_bssid() length-safe before returning the S1G source-address pointer.

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: 0; 09a740ce352e1a1d16b9984115514ba9a4f4704b <625fc704b19cb48d7d269ad54ffffb4d3bf9c7ed; patch: 7.2; patch: 7.1.5; 5.10; 09a740ce352e1a1d16b9984115514ba9a4f4704b <57d503ce32eccfa7650065ca4c560f7e29a2e676

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

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Linux — Linux

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