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| author | Johannes Berg <johannes.berg@intel.com> | 2021-05-11 20:02:49 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-05-11 20:14:11 +0200 |
| commit | 7e44a0b597f04e67eee8cdcbe7ee706c6f5de38b (patch) | |
| tree | 0bea055b756085d2270ba2cb53df9ff643d70791 /net/mac80211/sta_info.h | |
| parent | mac80211: check defrag PN against current frame (diff) | |
| download | linux-7e44a0b597f04e67eee8cdcbe7ee706c6f5de38b.tar.xz linux-7e44a0b597f04e67eee8cdcbe7ee706c6f5de38b.zip | |
mac80211: prevent attacks on TKIP/WEP as well
Similar to the issues fixed in previous patches, TKIP and WEP
should be protected even if for TKIP we have the Michael MIC
protecting it, and WEP is broken anyway.
However, this also somewhat protects potential other algorithms
that drivers might implement.
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210511200110.430e8c202313.Ia37e4e5b6b3eaab1a5ae050e015f6c92859dbe27@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.h')
| -rw-r--r-- | net/mac80211/sta_info.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 5c56d29a619e..0333072ebd98 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -455,7 +455,8 @@ struct ieee80211_fragment_entry { u16 extra_len; u16 last_frag; u8 rx_queue; - bool check_sequential_pn; /* needed for CCMP/GCMP */ + u8 check_sequential_pn:1, /* needed for CCMP/GCMP */ + is_protected:1; u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ unsigned int key_color; }; |