Date: Fri, 23 Jun 2017 19:48:13 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> Subject: CVE-2017-7518 Kernel: KVM: debug exception via syscall emulation Hello, Linux kernel built with the Kernel-based Virtual Machine(CONFIG_KVM) support is vulnerable to an incorrect debug exception(#DB) error. It could occur while emulating a syscall instruction. A user/process inside guest could use this flaw to potentially escalate their privileges inside guest. Note: Linux guests are not affected. Upstream patch: --------------- -> https://www.spinics.net/lists/kvm/msg151817.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1464473 -> https://www.spinics.net/lists/kvm/msg151819.html -> https://xenbits.xen.org/xsa/advisory-204.html 'CVE-2017-7518' 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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