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Commit e1bd95bf authored by Stephan Mueller's avatar Stephan Mueller Committed by Herbert Xu
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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: default avatarStephan Mueller <smueller@chronox.de>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 2a6af25b

crypto/algif_skcipher.c

+1 −0
Original line number Diff line number Diff line
@@ -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);