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PRIOn knowledge basePRION:CVE-2016-9777HistoryDec 28, 2016 - 7:59 a.m.
Out-of-bounds
2016-12-2807:59:00
PRIOn knowledge base
www.prio-n.com
7
KVM in the Linux kernel before 4.8.12, when I/O APIC is enabled, does not properly restrict the VCPU index, which allows guest OS users to gain host OS privileges or cause a denial of service (out-of-bounds array access and host OS crash) via a crafted interrupt request, related to arch/x86/kvm/ioapic.c and arch/x86/kvm/ioapic.h.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12
www.openwall.com/lists/oss-security/2016/12/02/2
www.securityfocus.com/bid/94640
bugzilla.redhat.com/show_bug.cgi?id=1400804
github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755
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