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Bug 1339578 - (CVE-2016-5106) CVE-2016-5106 Qemu: scsi: megasas: out-of-bounds write while setting controller properties
CVE-2016-5106 Qemu: scsi: megasas: out-of-bounds write while setting controll...
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=20160525,repor...
: Security
Depends On: 1339581
Blocks: 1337885
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Reported: 2016-05-25 07:29 EDT by Prasad J Pandit
Modified: 2018-07-18 10:54 EDT (History)
34 users (show)

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Description Prasad J Pandit 2016-05-25 07:29:01 EDT 
Quick Emulator(Qemu) built with the MegaRAID SAS 8708EM2 Host Bus Adapter
emulation support is vulnerable to an out-of-bounds write access issue. It
could occur while processing MegaRAID Firmware Interface(MFI) command to set
controller properties in 'megasas_dcmd_set_properties'.

A privileged user inside guest could use this flaw to  crash the Qemu process
on the host resulting in DoS.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04340.html

Reference:
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  -> http://www.openwall.com/lists/oss-security/2016/05/25/6
Comment 1 Prasad J Pandit 2016-05-25 07:29:32 EDT 
Acknowledgments:

Name: Li Qiang (Qihoo 360 Inc.)
Comment 2 Prasad J Pandit 2016-05-25 07:30:33 EDT 
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1339581]
Comment 3 Fedora Update System 2016-05-30 17:19:27 EDT 
xen-4.6.1-10.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 4 Fedora Update System 2016-06-04 22:56:08 EDT 
xen-4.5.3-6.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2016-06-12 18:51:29 EDT 
xen-4.5.3-6.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 6 Fedora Update System 2016-06-25 15:24:29 EDT 
qemu-2.6.0-4.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 7 Fedora Update System 2016-07-02 15:24:00 EDT 
qemu-2.3.1-16.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 8 Fedora Update System 2016-07-02 15:29:17 EDT 
qemu-2.4.1-11.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
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