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CVE-2026-43052 wifi: mac80211: check tdls flag in ieee80211_tdls_oper
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check tdls flag in ieee80211_tdls_oper When NL80211_TDLS_ENABLE_LINK is called, the code only checks if the station exists but not whether it is actually a TDLS station. This allows the operation to proceed for non-TDLS stations, causing unintended side effects like modifying channel context and HT protection before failing. Add a check for sta->sta.tdls early in the ENABLE_LINK case, before any side effects occur, to ensure the operation is only allowed for actual TDLS peers.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux 6.19 | earliest → < 6.19.12 | 6.19.12 |
| Linux 6.18 | earliest → < 6.18.22 | 6.18.22 |
| Linux 6.12 | earliest → < 6.12.81 | 6.12.81 |
| Linux 6.6 | earliest → < 6.6.142 | 6.6.142 |
| Linux 6.1 | earliest → < 6.1.175 | 6.1.175 |
| Linux 5.15 | earliest → < 5.15.209 | 5.15.209 |
| Linux 5.10 | earliest → < 5.10.259 | 5.10.259 |
| Linux | 3.2 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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