Date: Thu, 29 Mar 2012 19:05:22 -0600 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request -- kernel: kvm: irqchip_in_kernel() and vcpu->arch.apic inconsistency On 03/29/2012 01:58 PM, Petr Matousek wrote: > If some vcpus are created before KVM_CREATE_IRQCHIP, then > irqchip_in_kernel() and vcpu->arch.apic will be inconsistent, leading to > potential NULL pointer dereferences. > > A unprivileged local user could use this flaw to crash the system. > > Upstream fix: > http://git.kernel.org/?p=virt/kvm/kvm.git;a=commit;h=5b40572ed5f0344b9dbee486a17c589ce1abe1a3 > > References: > http://comments.gmane.org/gmane.comp.emulators.kvm.devel/86217 > https://bugzilla.redhat.com/show_bug.cgi?id=808199 > > Thanks, Please use CVE-2012-1601 for this issue. -- Kurt Seifried Red Hat Security Response Team (SRT)
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