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authorTudor-Dan Ambarus <tudor.ambarus@microchip.com>2018-04-03 09:39:01 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-08-03 07:50:40 +0200
commita07fc8dd2bd4f790940c9a5ac3b7fae1e6738800 (patch)
tree24803c3c88817f22cc9ea66e2b57138f24d0e5aa
parentf17d397bfed4371bbefcb1a9d497ea9cd057df3e (diff)
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>
-rw-r--r--crypto/authencesn.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 0cf5fefdb859..6de852ce4cf8 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -90,6 +90,7 @@ static int crypto_authenc_esn_setkey(struct crypto_aead *authenc_esn, const u8 *
CRYPTO_TFM_RES_MASK);
out:
+ memzero_explicit(&keys, sizeof(keys));
return err;
badkey: