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Bug 1255782 - (CVE-2015-5228) CVE-2015-5228 criu: arbitrary file creation and chown
CVE-2015-5228 criu: arbitrary file creation and chown
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20150825,repor...
: Security
Depends On: 1255787 1256747
Blocks: 1254572 1255785
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Reported: 2015-08-21 10:31 EDT by Florian Weimer
Modified: 2015-08-25 08:10 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Description Florian Weimer 2015-08-21 10:31:55 EDT 
It was discovered that local users could use the criu daemon to create
arbitrary files and take ownership of existing files, due to the
creation of log and dump files in a user-supplied directory path.
This allows unprivileged local users to gain root privileges.

Acknowledgements:

This issue was discovered by Florian Weimer of Red Hat Product Security.
Comment 4 Florian Weimer 2015-08-25 07:40:45 EDT 
Created criu tracking bugs for this issue:

Affects: fedora-all [bug 1256747]
Comment 5 Florian Weimer 2015-08-25 07:59:53 EDT 
Upstream discussion:

  http://lists.openvz.org/pipermail/criu/2015-August/021847.html
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