Date: Wed, 13 Apr 2016 23:38:26 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Donghai Zdh <donghai.zdh@...baba-inc.com> Subject: CVE request Qemu: i386: leakage of stack memory to guest in kvmvapic.c Hello, Qemu emulator built with the Task Priority Register(TPR) optimizations for 32-bit Windows guests, is vulnerable to a information leakage issue. It could occur while accessing Task Priority Register(TPR). A privileged user/process inside guest could use this issue to leak host memory bytes. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01118.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1313686 This issue was discovered by Donghai Zdh of Alibaba 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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