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Bug 1383391 - (CVE-2015-8955) CVE-2015-8955 kernel: Possible privilege escalation via groups spanning multiple HW PMUs
CVE-2015-8955 kernel: Possible privilege escalation via groups spanning multi...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20150317,reported=2...
: Security
Depends On: 1383393
Blocks: 1383399
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Reported: 2016-10-10 10:07 EDT by Adam Mariš
Modified: 2016-10-24 22:01 EDT (History)
35 users (show)

See Also:
Fixed In Version: kernel 4.1-rc1
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Environment:
Last Closed: 2016-10-14 10:20:10 EDT
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CRM:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Adam Mariš 2016-10-10 10:07:20 EDT 
A flaw was found in the Linux kernel in versions before 4.1 on arm64 platforms allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via vectors involving events that are mishandled during a span of multiple HW PMUs.

Upstream patch:

https://github.com/torvalds/linux/commit/8fff105e13041e49b82f92eef034f363a6b1c071

Related:

https://source.android.com/security/bulletin/2016-10-01.html

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8955

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8955
Comment 1 Adam Mariš 2016-10-10 10:08:36 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1383393]
Comment 2 Vladis Dronov 2016-10-14 10:14:44 EDT 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. 6, 7 and Red Hat Enterprise MRG-2 as the code with the flaw is not present in the products listed.
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