crypto: authencesn - don't leak pointers to authenc keys
[ Upstream commit 31545df391d58a3bb60e29b1192644a6f2b5a8dd ]
In crypto_authenc_esn_setkey we save pointers to the authenc keys
in a local variable of type struct crypto_authenc_keys and we don't
zeroize it after use. Fix this and don't leak pointers to the
authenc keys.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 18c94e1..49e7e85 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -90,6 +90,7 @@
CRYPTO_TFM_RES_MASK);
out:
+ memzero_explicit(&keys, sizeof(keys));
return err;
badkey: