| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.17 272/336] crypto: authencesn - dont leak pointers to authenc keys | Date | Wed, 1 Aug 2018 18:50:07 +0200 |
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4.17-stable review patch. If anyone has any objections, please let me know.
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From: Tudor-Dan Ambarus <tudor.ambarus@microchip.com>
[ 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> --- crypto/authencesn.c | 1 + 1 file changed, 1 insertion(+)
--- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -90,6 +90,7 @@ static int crypto_authenc_esn_setkey(str CRYPTO_TFM_RES_MASK); out: + memzero_explicit(&keys, sizeof(keys)); return err; badkey:
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