Date: Thu, 15 Dec 2016 12:27:19 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> Subject: CVE-2016-9588 Kernel: kvm: nVMX: uncaught software exceptions in L1 guest lead to DoS Hello, Linux kernel built with the KVM virtualisation support(CONFIG_KVM), with nested virtualisation(nVMX) feature enabled(nested=1), is vulnerable to an uncaught exceptions issue. It could occur if a L2 guest was to throw an exception which is not handled by L1 guest. A L1 guest user could use this flaw to crash the guest resulting in DoS. Upstream patch -------------- -> https://www.spinics.net/lists/kvm/msg142495.html 'CVE-2016-9588' has been assigned to this issue by Red Hat Inc. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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