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Bug 1447676 - (CVE-2015-9004) CVE-2015-9004 kernel: Allows creating groups that can't be co-scheduled
CVE-2015-9004 kernel: Allows creating groups that can't be co-scheduled
Status: CLOSED NOTABUG
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
impact=moderate,public=20150123,repor...
: Security
Depends On: 1209607 1265262
Blocks: 1447678
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Reported: 2017-05-03 09:13 EDT by Andrej Nemec
Modified: 2017-06-02 08:15 EDT (History)
34 users (show)

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Doc Text:
It was found that kernel/events/core.c in the Linux kernel mishandles counter grouping, which allows local users to gain privileges via a crafted application, related to the perf_pmu_register and perf_event_open functions.
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Last Closed: 2017-06-01 09:19:47 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2017-05-03 09:13:27 EDT 
kernel/events/core.c in the Linux kernel mishandles counter grouping, which allows local users to gain privileges via a crafted application, related to the perf_pmu_register and perf_event_open functions.

Upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3c87e770458aa004bd7ed3f29945ff436fd6511

References:

https://source.android.com/security/bulletin/2017-05-01#eop-in-kernel-performance-subsystem
Comment 3 Vladis Dronov 2017-06-01 09:19:47 EDT 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 as the code with the flaw is not present in this product.

This issue does not affect the versions of the Linux kernel as shipped with
Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2 as the fix for this flaw is already present in the products listed.
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