wifi: mac80211: check tdls flag in ieee80211_tdls_oper

Summary

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.

Timeline

1. May 1, 2026, 2:15 PM UTCCVE published
2. Oct 15, 2026, 1:18 AM UTCRecord last updated

Affected versions

• Linux Linux

  From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in e602246235fc2ef06c39b2e9cf147d84d0896b73; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in 6813a8b1b240756dad4375f3e020ce10e4e3871b; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in 44839ea7e96b3659a1606f3d5267063135479b7c; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in ba5b43db126a5e7378553869e3f7954d9187349f; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in 8148c2fda4ebb17104a573649c9b699208ad10ee; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in be81f17151fcb8546a95f35ca8f4231b065985de; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in e77b2937aaa20264e4bd699d3244bdb50e7e3343; From 941c93cd039852b7ab02c74f4698c99d82bd6cfe · fixed in 7d73872d949c488a1d7c308031d6a9d89b5e0a8b

• Linux Linux

  3.2

• KernelLinux

  From 3.2.0 · fixed in 5.10.259; From 5.11.0 · fixed in 5.15.209; From 5.16.0 · fixed in 6.1.175; From 6.2.0 · fixed in 6.6.142; From 6.7.0 · fixed in 6.12.81; From 6.13.0 · fixed in 6.18.22; From 6.19.0 · fixed in 6.19.12

References 8