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Date: Sat, 20 Jun 2015 22:23:59 -0400 (EDT)
From: cve-assign@...re.org
To: pmatouse@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE request -- Linux kernel - kvm: x86: NULL pointer dereference in kvm_apic_has_events function

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> https://lkml.org/lkml/2015/6/4/163

> A local user with access to /dev/kvm (usually unprivileged) can use this
> flaw to crash the system.

> arch/x86/kvm/lapic.h
> 
> kvm_apic_has_events
> 
> - return vcpu->arch.apic->pending_events;
> + return kvm_vcpu_has_lapic(vcpu) && vcpu->arch.apic->pending_events;

(not yet available at
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/arch/x86/kvm/lapic.h)

Use CVE-2015-4692.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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