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Bug 1059448 - (CVE-2017-12168) VUL-0: CVE-2017-12168: kernel: kvm: ARM64: assert failure when accessing PMCCNTR register
(CVE-2017-12168)
VUL-0: CVE-2017-12168: kernel: kvm: ARM64: assert failure when accessing PMCC...
Status: RESOLVED UPSTREAM
Classification: Novell Products
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents
unspecified
Other Other
: P5 - None : Normal
: ---
Assigned To: Michal Marek
Security Team bot
https://smash.suse.de/issue/192162/
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2017-09-20 06:24 UTC by Alexander Bergmann
Modified: 2017-09-20 06:25 UTC (History)
2 users (show)

See Also:
Found By: Security Response Team
Services Priority:
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Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

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Description Alexander Bergmann 2017-09-20 06:24:08 UTC 
rh#1492984

Linux kernel built for the ARM64(CONFIG_ARM64) architecture platform with
KVM virtualisation(CONFIG_KVM) support is vulnerable to an assert failure
issue. It could occur while accessing Performance Monitors Cycle Count
Register(PMCCNTR).

A privileged guest user/process could use this flaw to crash the host
kernel resulting in DoS.

Upstream patch:
https://git.kernel.org/linus/9e3f7a29694049edd728e2400ab57ad7553e5aa9

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1492984
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-12168
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12168
Comment 1 Alexander Bergmann 2017-09-20 06:25:05 UTC 
This issue doesn't affect SLE or openSUSE.
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