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crypto: authenc - don't leak pointers to authenc keys 

[ Upstream commit ad2fdcdf75 ]

In crypto_authenc_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>
pull/10/head
Tudor-Dan Ambarus 2018-04-03 09:39:00 +03:00 committed by Greg Kroah-Hartman
parent a07fc8dd2b
commit 09740f513e
1 changed files with 1 additions and 0 deletions
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crypto/authenc.c
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@ -108,6 +108,7 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
CRYPTO_TFM_RES_MASK);
out:
memzero_explicit(&keys, sizeof(keys));
return err;
badkey: