Bug 730706 - (CVE-2011-2918) CVE-2011-2918 kernel: perf: Fix software event overflow
CVE-2011-2918 kernel: perf: Fix software event overflow
Status: CLOSED ERRATA
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
public=20110722,reported=20110722,sou...
: Security
Depends On: 730707 730708 730709 761361
Blocks: 730648
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Reported: 2011-08-15 09:18 EDT by Petr Matousek
Modified: 2015-02-16 10:44 EST (History)
23 users (show)

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Doc Type: Bug Fix
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Last Closed: 2012-05-10 08:59:23 EDT
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RHEL 7.3 requirements from Atomic Host:


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Description Petr Matousek 2011-08-15 09:18:36 EDT
Under certain circumstances software event overflows go wrong and deadlock. Avoid trying to delete a timer from the timer callback.

Upstream fix:
a8b0ca17b80e92faab46ee7179ba9e99ccb61233

References:
https://lkml.org/lkml/2011/7/27/337
https://lkml.org/lkml/2011/7/28/284
Comment 3 Petr Matousek 2011-08-15 09:44:28 EDT
Statement:

This issue did not affect Red Hat Enterprise Linux 4 and 5 as they did not include support for perf. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1350.html and https://rhn.redhat.com/errata/RHSA-2012-0333.html.
Comment 5 errata-xmlrpc 2011-10-05 17:48:02 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:1350 https://rhn.redhat.com/errata/RHSA-2011-1350.html
Comment 7 errata-xmlrpc 2012-02-23 15:22:48 EST
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2012:0333 https://rhn.redhat.com/errata/RHSA-2012-0333.html

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