From: <gregkh@linuxfoundation.org>
To: computersforpeace@gmail.com, gregkh@linuxfoundation.org, richard@nod.at
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "UBI: fix out of bounds write" has been added to the 3.14-stable tree
Date: Sat, 02 May 2015 18:49:15 +0200 [thread overview]
Message-ID: <1430585355239181@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
UBI: fix out of bounds write
to the 3.14-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:
ubi-fix-out-of-bounds-write.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From d74adbdb9abf0d2506a6c4afa534d894f28b763f Mon Sep 17 00:00:00 2001
From: Brian Norris <computersforpeace@gmail.com>
Date: Sat, 28 Feb 2015 02:23:26 -0800
Subject: UBI: fix out of bounds write
From: Brian Norris <computersforpeace@gmail.com>
commit d74adbdb9abf0d2506a6c4afa534d894f28b763f upstream.
If aeb->len >= vol->reserved_pebs, we should not be writing aeb into the
PEB->LEB mapping.
Caught by Coverity, CID #711212.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mtd/ubi/eba.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1362,7 +1362,8 @@ int ubi_eba_init(struct ubi_device *ubi,
* during re-size.
*/
ubi_move_aeb_to_list(av, aeb, &ai->erase);
- vol->eba_tbl[aeb->lnum] = aeb->pnum;
+ else
+ vol->eba_tbl[aeb->lnum] = aeb->pnum;
}
}
Patches currently in stable-queue which might be from computersforpeace@gmail.com are
queue-3.14/ubi-initialize-leb-number-variable.patch
queue-3.14/ubi-fix-out-of-bounds-write.patch
queue-3.14/ubi-account-for-bitflips-in-both-the-vid-header-and-data.patch
queue-3.14/ubi-fix-check-for-too-many-bytes.patch
reply other threads:[~2015-05-02 16:50 UTC|newest]
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