Date: Tue, 21 Feb 2017 19:06:00 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Stefano Stabellini <sstabellini@...nel.org>, Gerd Hoffmann <ghoffman@...hat.com> Subject: Re: CVE-2017-2620 Qemu: display: cirrus: out-of-bounds access issue while in cirrus_bitblt_cputovideo +-- On Tue, 21 Feb 2017, P J P wrote --+ | 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 in cirrus_bitblt_cputovideo. | | 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/msg04700.html Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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