This is a note to let you know that I've just added the patch titled crypto: lrw - Free rctx->ext with kzfree to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: crypto-lrw-free-rctx-ext-with-kzfree.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 8c9bdab21289c211ca1ca6a5f9b7537b4a600a02 Mon Sep 17 00:00:00 2001 From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Date: Fri, 23 Mar 2018 08:14:44 +0800 Subject: crypto: lrw - Free rctx->ext with kzfree From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> commit 8c9bdab21289c211ca1ca6a5f9b7537b4a600a02 upstream. The buffer rctx->ext contains potentially sensitive data and should be freed with kzfree. Cc: <stable@xxxxxxxxxxxxxxx> Fixes: 700cb3f5fe75 ("crypto: lrw - Convert to skcipher") Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- crypto/lrw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -313,7 +313,7 @@ static void exit_crypt(struct skcipher_r rctx->left = 0; if (rctx->ext) - kfree(rctx->ext); + kzfree(rctx->ext); } static int do_encrypt(struct skcipher_request *req, int err) Patches currently in stable-queue which might be from herbert@xxxxxxxxxxxxxxxxxxx are queue-4.14/crypto-caam-fix-null-dereference-at-error-path.patch queue-4.14/crypto-x86-cast5-avx-fix-ecb-encryption-when-long-sg-follows-short-one.patch queue-4.14/crypto-arm-arm64-fix-random-regeneration-of-s_shipped.patch queue-4.14/crypto-ccp-return-an-actual-key-size-from-rsa-max_size-callback.patch queue-4.14/crypto-inside-secure-fix-clock-management.patch queue-4.14/crypto-lrw-free-rctx-ext-with-kzfree.patch queue-4.14/crypto-testmgr-fix-incorrect-values-in-pkcs-1-test-vector.patch queue-4.14/crypto-ahash-fix-early-termination-in-hash-walk.patch