This is a note to let you know that I've just added the patch titled
isofs: avoid info leak on export
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:
isofs-avoid-info-leak-on-export.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 fe685aabf7c8c9f138e5ea900954d295bf229175 Mon Sep 17 00:00:00 2001
From: Mathias Krause <[email protected]>
Date: Thu, 12 Jul 2012 08:46:54 +0200
Subject: isofs: avoid info leak on export
From: Mathias Krause <[email protected]>
commit fe685aabf7c8c9f138e5ea900954d295bf229175 upstream.
For type 1 the parent_offset member in struct isofs_fid gets copied
uninitialized to userland. Fix this by initializing it to 0.
Signed-off-by: Mathias Krause <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Cc: Ben Hutchings <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/isofs/export.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -135,6 +135,7 @@ isofs_export_encode_fh(struct dentry *de
len = 3;
fh32[0] = ei->i_iget5_block;
fh16[2] = (__u16)ei->i_iget5_offset; /* fh16 [sic] */
+ fh16[3] = 0; /* avoid leaking uninitialized data */
fh32[2] = inode->i_generation;
if (connectable && !S_ISDIR(inode->i_mode)) {
struct inode *parent;
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/udf-avoid-info-leak-on-export.patch
queue-3.4/isofs-avoid-info-leak-on-export.patch
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