Date: Wed, 1 Feb 2017 15:20:04 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Li Qiang <liqiang6-s@....cn> Subject: CVE-2017-2615 Qemu: display: cirrus: oob access while doing bitblt copy backward mode 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 copying VGA data via bitblt copy in backward mode. A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS OR potentially execute arbitrary code on the host with privileges of Qemu process on the host. Upstream patch -------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg00015.html It fixes -> http://git.qemu.org/?p=qemu.git;a=commit;h=d3532a0db02296e687711b8cdc7791924efccea0 Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1418200 This issue was reported by Li Qiang of 360.cn Inc. CVE-2017-2615 was 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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