The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor hang or crash) via an out-of bounds guest_irq value, related to arch/x86/kvm/vmx.c and virt/kvm/eventfd.c.Referenceshttp://www.securityfocus.com/bid/101022http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=36ae3c0a36b7456432fedce38ae2f7bd3e01a563https://github.com/torvalds/linux/commit/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bbhttps://access.redhat.com/errata/RHSA-2018:1062http://www.debian.org/security/2017/dsa-3981https://marc.info/?l=kvm&m=150549146311117&w=2https://access.redhat.com/errata/RHSA-2018:0676https://github.com/torvalds/linux/commit/36ae3c0a36b7456432fedce38ae2f7bd3e01a563https://marc.info/?l=kvm&m=150549145711115&w=2https://access.redhat.com/errata/RHSA-2018:1130http://www.openwall.com/lists/oss-security/2017/09/15/4https://bugzilla.redhat.com/show_bug.cgi?id=1490781http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb
