Evolution-X-Devices/kernel_oneplus_sm8250
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

wifi: cw1200: cap SSID length in cw1200_do_join()

Browse Source 
[ Upstream commit f8f15f6742b8874e59c9c715d0af3474608310ad ]

If the ssidie[1] length is more that 32 it leads to memory corruption.

Fixes: a910e4a94f ("cw1200: add driver for the ST-E CW1100 & CW1200 WLAN chipsets")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/e91fb43fcedc4893b604dfb973131661510901a7.1756456951.git.dan.carpenter@linaro.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>
This commit is contained in:
Dan Carpenter
2025-08-29 15:48:28 +03:00
committed by Manidweep
parent b7dfe73487
commit 08403fcda0
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/st/cw1200/sta.c
View File

@@ -1292,7 +1292,7 @@ static void cw1200_do_join(struct cw1200_common *priv)
rcu_read_lock();
ssidie = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
if (ssidie) {
join.ssid_len = ssidie[1];
join.ssid_len = min(ssidie[1], IEEE80211_MAX_SSID_LEN);
memcpy(join.ssid, &ssidie[2], join.ssid_len);
}
rcu_read_unlock();