This is a note to let you know that I've just added the patch titled
crypto: sanitize argument for format string
to the 3.4-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-sanitize-argument-for-format-string.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1c8fca1d92e14859159a82b8a380d220139b7344 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Wed, 3 Jul 2013 15:01:15 -0700
Subject: crypto: sanitize argument for format string
From: Kees Cook <keescook@xxxxxxxxxxxx>
commit 1c8fca1d92e14859159a82b8a380d220139b7344 upstream.
The template lookup interface does not provide a way to use format
strings, so make sure that the interface cannot be abused accidentally.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
crypto/algapi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -512,7 +512,8 @@ static struct crypto_template *__crypto_
struct crypto_template *crypto_lookup_template(const char *name)
{
- return try_then_request_module(__crypto_lookup_template(name), name);
+ return try_then_request_module(__crypto_lookup_template(name), "%s",
+ name);
}
EXPORT_SYMBOL_GPL(crypto_lookup_template);
Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are
queue-3.4/block-do-not-pass-disk-names-as-format-strings.patch
queue-3.4/charger-manager-ensure-event-is-not-used-as-format-string.patch
queue-3.4/crypto-sanitize-argument-for-format-string.patch
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