Bug 121033 - CAN-2004-0177 ext3 infoleak
CAN-2004-0177 ext3 infoleak
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: kernel (Show other bugs)
i386 Linux
medium Severity low
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Assigned To: Stephen Tweedie
Brian Brock
: Security
Depends On:
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Reported: 2004-04-16 08:50 EDT by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:06 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2004-12-13 15:06:39 EST
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Description Mark J. Cox (Product Security) 2004-04-16 08:50:14 EDT
Whenever you create a file on an ext3fs filesystem, some amount of
other in-memory data, _not_ the file's contents and _not_ something
which is present in the same filesystem or which previously was in a
file at all, gets written to the device holding the filesystem.

Could be a security issue if you have stuff in memory like crypto keys
and don't expect them to get stuck on disk (well unless swapped)

Issue is a fairly minor severity

Reported by Solar Designer of OpenWall on Feb28
Embargo lifted April 14th 2004
Comment 1 John Flanagan 2004-12-13 15:06:39 EST
An errata has been issued which should help the problem 
described in this bug report. This report is therefore being 
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, 
please follow the link below. You may reopen this bug report 
if the solution does not work for you.


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