Date: Thu, 8 Dec 2016 16:03:16 +0800 From: Huawei PSIRT <psirt@...wei.com> To: <ppandit@...hat.com>, <oss-security@...ts.openwall.com> CC: <liq3ea@...il.com>, <jiangxin1@...wei.com>, Huawei PSIRT <PSIRT@...wei.com>, "Wanglijun (PSIRT)" <wanglijun.wanglijun@...wei.com> Subject: Re: CVE request Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy Dear, Could you please change the reporter information from PSIRTeam of Huawei Inc to Jiangxin <jiangxin1@...wei.com> of Huawei Inc. Thank you. Best regards, Huawei PSIRT -----邮件原件----- 发件人: P J P [mailto:ppandit@...hat.com] 发送时间: 2016年12月8日 15:32 收件人: oss security list 抄送: liq3ea@...il.com; psirt@...wei.com 主题: CVE request Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy Hello, Quick emulator(Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS. Upstream patch -------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1334398 This issue was independently reported by Qinghao Tang, Li Qiang of Qihoo 360.cn Inc. and PSIRTeam of Huawei 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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