From e1bd95bf7c25530a99ce371e0a26e4932efc021d Mon Sep 17 00:00:00 2001 From: Stephan Mueller Date: Tue, 11 Nov 2014 05:37:57 +0100 Subject: [PATCH] crypto: algif - zeroize IV buffer Zeroize the buffer holding the IV used for the completed cipher operation before the buffer is released by the skcipher AF_ALG interface handler. Signed-off-by: Stephan Mueller Signed-off-by: Herbert Xu --- crypto/algif_skcipher.c | 1 + 1 file changed, 1 insertion(+) diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 83187f497c7c..85e3bdbe214c 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -566,6 +566,7 @@ static void skcipher_sock_destruct(struct sock *sk) struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req); skcipher_free_sgl(sk); + memzero_explicit(ctx->iv, crypto_ablkcipher_ivsize(tfm)); sock_kfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm)); sock_kfree_s(sk, ctx, ctx->len); af_alg_release_parent(sk); -- GitLab