This is a note to let you know that I've just added the patch titled
isdnloop: Validate NUL-terminated strings from user.
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:
isdnloop-validate-nul-terminated-strings-from-user.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 <[email protected]> know about it.
>From foo@baz Mon Apr 14 15:32:12 PDT 2014
From: YOSHIFUJI Hideaki <[email protected]>
Date: Wed, 2 Apr 2014 12:48:42 +0900
Subject: isdnloop: Validate NUL-terminated strings from user.
From: YOSHIFUJI Hideaki <[email protected]>
[ Upstream commit 77bc6bed7121936bb2e019a8c336075f4c8eef62 ]
Return -EINVAL unless all of user-given strings are correctly
NUL-terminated.
Signed-off-by: YOSHIFUJI Hideaki <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/isdn/isdnloop/isdnloop.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ b/drivers/isdn/isdnloop/isdnloop.c
@@ -1070,6 +1070,12 @@ isdnloop_start(isdnloop_card *card, isdn
return -EBUSY;
if (copy_from_user((char *) &sdef, (char *) sdefp, sizeof(sdef)))
return -EFAULT;
+
+ for (i = 0; i < 3; i++) {
+ if (!memchr(sdef.num[i], 0, sizeof(sdef.num[i])))
+ return -EINVAL;
+ }
+
spin_lock_irqsave(&card->isdnloop_lock, flags);
switch (sdef.ptype) {
case ISDN_PTYPE_EURO:
Patches currently in stable-queue which might be from [email protected]
are
queue-3.4/isdnloop-validate-nul-terminated-strings-from-user.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
