Fix use-after-free in qca_nl80211_get_features am: 748cf248af
am: 3f56ddf04d
Change-Id: I30c7c634f26ac6b4c44489eb1e1caf478a1bfa90
diff --git a/src/drivers/driver_nl80211_capa.c b/src/drivers/driver_nl80211_capa.c
index fc0f95a..8f07bcb 100644
--- a/src/drivers/driver_nl80211_capa.c
+++ b/src/drivers/driver_nl80211_capa.c
@@ -827,8 +827,12 @@
attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
if (attr) {
- info->flags = nla_data(attr);
- info->flags_len = nla_len(attr);
+ int len = nla_len(attr);
+ info->flags = os_malloc(len);
+ if (info->flags != NULL) {
+ os_memcpy(info->flags, nla_data(attr), len);
+ info->flags_len = len;
+ }
}
attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
if (attr)
@@ -891,6 +895,7 @@
if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
&info))
drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
+ os_free(info.flags);
}
#endif /* CONFIG_DRIVER_NL80211_QCA */