This is a note to let you know that I've just added the patch titled
net: sctp: sctp_auth_key_put: use kzfree instead of kfree
to the 3.0-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:
net-sctp-sctp_auth_key_put-use-kzfree-instead-of-kfree.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From dcb6e239c0ddfdfbcfeda165915c6c8d6046a9ed Mon Sep 17 00:00:00 2001
From: Daniel Borkmann <[email protected]>
Date: Thu, 7 Feb 2013 00:55:37 +0000
Subject: net: sctp: sctp_auth_key_put: use kzfree instead of kfree
From: Daniel Borkmann <[email protected]>
[ Upstream commit 586c31f3bf04c290dc0a0de7fc91d20aa9a5ee53 ]
For sensitive data like keying material, it is common practice to zero
out keys before returning the memory back to the allocator. Thus, use
kzfree instead of kfree.
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Neil Horman <[email protected]>
Acked-by: Vlad Yasevich <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/sctp/auth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -71,7 +71,7 @@ void sctp_auth_key_put(struct sctp_auth_
return;
if (atomic_dec_and_test(&key->refcnt)) {
- kfree(key);
+ kzfree(key);
SCTP_DBG_OBJCNT_DEC(keys);
}
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/net-sctp-sctp_auth_key_put-use-kzfree-instead-of-kfree.patch
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