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CVE-2016-3710

Publication date 9 May 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.

Read the notes from the security team

Status

Package Ubuntu Release Status
qemu 16.04 LTS xenial
Fixed 1:2.5+dfsg-5ubuntu10.1
15.10 wily
Fixed 1:2.3+dfsg-5ubuntu9.4
14.04 LTS trusty
Fixed 2.0.0+dfsg-2ubuntu1.24
12.04 LTS precise Not in release
qemu-kvm 16.04 LTS xenial Not in release
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise
Fixed 1.0+noroms-0ubuntu14.28
xen 16.04 LTS xenial
Not affected
15.10 wily
Not affected
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.6
12.04 LTS precise
Fixed 4.1.6.1-0ubuntu0.12.04.11

Notes

mdeslaur

A.K.A. "Dark Portal"

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H