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Tasklist

FS#44958 - [qemu] CVE-2015-3456: vm escape -> arbitrary code execution on host system

Attached to Project: Arch Linux
Opened by Levente Polyak (anthraxx) - Wednesday, 13 May 2015, 22:49 GMT
Last edited by Doug Newgard (Scimmia) - Wednesday, 13 May 2015, 22:55 GMT
Task Type Bug Report
Category Security
Status Closed
Assigned To Tobias Powalowski (tpowa)
Architecture All
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

It has been discovered [0] that qemu (including 2.3.x in testing) is vulnerable to arbitrary code execution affecting all default configurations.

This vulnerability is a out-of-bounds buffer access within the hardware fdc allowing vm escape and arbitrary code execution on the host system.
It is highly recommended to apply the upstream patch [1] to the current release versions to mitigate this issue.
The patch forces the fifo access to be in bounds of the allocated buffer.

[0] http://venom.crowdstrike.com/
[1] http://git.qemu.org/?p=qemu.git;a=commitdiff;h=e907746266721f305d67bc0718795fedee2e824c
This task depends upon

Closed by  Doug Newgard (Scimmia)
Wednesday, 13 May 2015, 22:55 GMT
Reason for closing:  Duplicate
Additional comments about closing:   FS#44954 

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