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af_key: Fix heap information leak

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Since x->encap of pfkey_msg2xfrm_state() is not
initialized to 0, kernel heap data can be leaked.

Fix with kzalloc() to prevent this.

Signed-off-by: Hyunwoo Kim <[email protected]>
Acked-by: Herbert Xu <[email protected]>
Reviewed-by: Sabrina Dubroca <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Hyunwoo Kim authored and David S. Miller committed 2023-02-13 09:30:14 +00:00
1 parent 20ab843242
commit 2f47965183
1 file changed
+1 -1
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net/key/af_key.c
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@@ -1261,7 +1261,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
const struct sadb_x_nat_t_type* n_type;
struct xfrm_encap_tmpl *natt;
x->encap = kmalloc(sizeof(*x->encap), GFP_KERNEL);
x->encap = kzalloc(sizeof(*x->encap), GFP_KERNEL);
if (!x->encap) {
err = -ENOMEM;
goto out;