Bug 1313496 (CVE-2016-2150)

Summary: CVE-2016-2150 spice: Host memory access from guest with invalid primary surface parameters
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: cfergeau, dblechte, mkenneth, rbalakri, security-response-team, uril
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
A memory access flaw was found in the way spice handled certain guests using crafted primary surface parameters. A user in a guest could use this flaw to read from and write to arbitrary memory locations on the host.
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-12-09 06:24:32 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1316491, 1316492, 1316493, 1316495, 1343135    
Bug Blocks: 1313499    

Description Adam Mariš 2016-03-01 17:26:03 UTC
It was found that one malicious guest inside a virtual machine can take control of the corresponding Qemu process in the host using crafted primary surface parameters. This issue is similar to CVE-2015-5261, but it's using different path in the code.

Comment 4 Martin Prpič 2016-06-01 08:37:41 UTC
Acknowledgments:

Name: Frediano Ziglio (Red Hat)

Comment 5 Stefan Cornelius 2016-06-06 15:16:56 UTC
Created spice tracking bugs for this issue:

Affects: fedora-all [bug 1343135]

Comment 6 errata-xmlrpc 2016-06-06 15:55:31 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1205 https://access.redhat.com/errata/RHSA-2016:1205

Comment 7 errata-xmlrpc 2016-06-06 15:55:57 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2016:1204 https://access.redhat.com/errata/RHSA-2016:1204