Date: Mon, 15 Jan 2018 23:40:26 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: jiangxin1@...wei.com Subject: CVE-2017-18030 Qemu: Out-of-bounds access in cirrus_invalidate_region routine Hello, Quick emulator(Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. It could occur while refreshing vnc surface area, in case the initial pitch was negative in cirrus_invalidate_region. A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS. Upstream patch: --------------- -> https://git.qemu.org/?p=qemu.git;a=commitdiff;h=f153b563f8cf121aebf5a2fff5f0110faf58ccb3 Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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