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Bug 1403842 - (CVE-2016-6786, CVE-2016-6787) CVE-2016-6786 CVE-2016-6787 kernel: Possible privilege escalation due to lack of locking around changing event->ctx
CVE-2016-6786 CVE-2016-6787 kernel: Possible privilege escalation due to lack...
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=20150204,repor...
: Security
Depends On: 1209607 1265262 1291071
Blocks: 1403845
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Reported: 2016-12-12 08:30 EST by Adam Mariš
Modified: 2017-06-01 09:09 EDT (History)
35 users (show)

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Last Closed: 2016-12-23 09:55:12 EST
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Description Adam Mariš 2016-12-12 08:30:08 EST 
Possible privilege escalation issue due to lack of mutex locking around places where perf_event::ctx is being changed.

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f63a8daa5812afef4f06c962351687e1ff9ccb2b
Comment 3 Vladis Dronov 2016-12-23 09:55:12 EST 
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 flaw was already fixed in the products listed.
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