Date: Tue, 31 Jan 2017 13:23:56 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> Subject: CVE-2017-2596 Kernel: kvm: page reference leakage in handle_vmon Hello, Linux kernel built with the KVM virtualisation support(CONFIG_KVM), with nested virtualisation(nVMX) feature enabled(nested=1), is vulnerable to host memory leakage issue. It could occur while emulating VMXON instruction in 'handle_vmon'. A L1 guest user could use this flaw to leak host memory potentially resulting in DoS. Upstream patch: --------------- -> https://www.spinics.net/lists/kvm/msg144319.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1417812 'CVE-2017-2596' is 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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