Bug 1400495 (CVE-2016-3044)

Summary: CVE-2016-3044 kernel: Infinite loop vulnerability in KVM
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: agordeev, aquini, arm-mgr, bhu, carnil, dhoward, esammons, fhrbata, gansalmon, iboverma, ichavero, itamar, jforbes, jkacur, jkastner, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, ppandit, rt-maint, rvrbovsk, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-02-01 12:13:14 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: 1313725, 1316636, 1400496    
Bug Blocks: 1400498    

Description Adam Mariš 2016-12-01 11:37:24 UTC
A DoS vulnerability in KVM on Power was found where a guest can cause a host CPU to hang, spinning in an infinite loop with interrupts disabled.

Upstream patch
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  -> https://git.kernel.org/linus/ccec44563b18a0ce90e2d4f332784b3cb25c8e9c

External References:
  -> https://www-01.ibm.com/support/docview.wss?uid=isg3T1023969
  -> http://www.securityfocus.com/bid/92123/info

Comment 1 Adam Mariš 2016-12-01 11:38:16 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1400496]

Comment 2 Prasad Pandit 2017-02-01 12:00:26 UTC
Statement:

This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.