Bug 177137 - CVE-2006-0095 dm-crypt key leak
CVE-2006-0095 dm-crypt key leak
Status: CLOSED ERRATA
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
4
All Linux
medium Severity medium
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Assigned To: Dave Jones
Brian Brock
reported=20060106,source=lkml,public=...
: Security
Depends On:
Blocks:
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Reported: 2006-01-06 11:48 EST by Mark J. Cox (Product Security)
Modified: 2015-01-04 17:24 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2006-02-10 16:15:58 EST
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Description Mark J. Cox (Product Security) 2006-01-06 11:48:44 EST
+++ This bug was initially created as a clone of Bug #177136 +++

CVE-2006-0095 says:
        dm-crypt in Linux kernel 2.6.15 and earlier does not clear a
        structure before it is freed, which leads to a memory
        disclosure that could allow local users to obtain sensitive
        information about a cryptographic key.

More details and the straightforward patch are here:

        http://marc.theaimsgroup.com/?l=linux-kernel&m=113640535312572
        http://marc.theaimsgroup.com/?l=linux-kernel&m=113641114812886
Comment 1 Dave Jones 2006-02-03 00:47:04 EST
This is a mass-update to all currently open kernel bugs.

A new kernel update has been released (Version: 2.6.15-1.1830_FC4)
based upon a new upstream kernel release.

Please retest against this new kernel, as a large number of patches
go into each upstream release, possibly including changes that
may address this problem.

This bug has been placed in NEEDINFO_REPORTER state.
Due to the large volume of inactive bugs in bugzilla, if this bug is
still in this state in two weeks time, it will be closed.

Should this bug still be relevant after this period, the reporter
can reopen the bug at any time. Any other users on the Cc: list
of this bug can request that the bug be reopened by adding a
comment to the bug.

If this bug is a problem preventing you from installing the
release this version is filed against, please see bug 169613.

Thank you.
Comment 2 Mark J. Cox (Product Security) 2006-02-03 03:22:03 EST
not fixed in 2.6.15 or by backported patch
Comment 3 Dave Jones 2006-02-03 14:10:00 EST
ok, fixed in cvs, and pushed to upstream -stable maintainers.
I erroneously thought that this was covered in 2.6.15.2

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