3.13.11.9 -stable review patch. If anyone has any objections, please let me
know.
------------------
From: Eliad Peller <el...@wizery.com>
commit a5fe8e7695dc3f547e955ad2b662e3e72969e506 upstream.
alpha2 is defined as 2-chars array, but is used in multiple
places as string (e.g. with nla_put_string calls), which
might leak kernel data.
Solve it by simply adding an extra char for the NULL
terminator, making such operations safe.
Signed-off-by: Eliad Peller <eliadx.pel...@intel.com>
Signed-off-by: Johannes Berg <johannes.b...@intel.com>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
include/net/regulatory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/regulatory.h b/include/net/regulatory.h
index f17ed59..3e827aa 100644
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -106,7 +106,7 @@ struct ieee80211_reg_rule {
struct ieee80211_regdomain {
struct rcu_head rcu_head;
u32 n_reg_rules;
- char alpha2[2];
+ char alpha2[3];
u8 dfs_region;
struct ieee80211_reg_rule reg_rules[];
};
--
1.9.1
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