OSDN Git Service
(root)
/
sagit-ice-cold
/
kernel_xiaomi_msm8998.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
mwifiex: Fix possible buffer overflows in mwifiex_ret_wmm_get_status()
[sagit-ice-cold/kernel_xiaomi_msm8998.git]
/
drivers
/
net
/
wireless
/
mwifiex
/
wmm.c
diff --git
a/drivers/net/wireless/mwifiex/wmm.c
b/drivers/net/wireless/mwifiex/wmm.c
index
7015dfa
..
3a2ecb6
100644
(file)
--- a/
drivers/net/wireless/mwifiex/wmm.c
+++ b/
drivers/net/wireless/mwifiex/wmm.c
@@
-978,6
+978,10
@@
int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
"WMM Parameter Set Count: %d\n",
wmm_param_ie->qos_info_bitmap & mask);
"WMM Parameter Set Count: %d\n",
wmm_param_ie->qos_info_bitmap & mask);
+ if (wmm_param_ie->vend_hdr.len + 2 >
+ sizeof(struct ieee_types_wmm_parameter))
+ break;
+
memcpy((u8 *) &priv->curr_bss_params.bss_descriptor.
wmm_ie, wmm_param_ie,
wmm_param_ie->vend_hdr.len + 2);
memcpy((u8 *) &priv->curr_bss_params.bss_descriptor.
wmm_ie, wmm_param_ie,
wmm_param_ie->vend_hdr.len + 2);