Date: Thu, 10 Sep 2015 12:15:32 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Qinghao Tang <luodalongde@...il.com> Subject: CVE request Qemu: ide: divide by zero issue Hello, Qemu emulator built with the IDE disk and CD/DVD-ROM emulation support is vulnerable to a divide by zero issue. It could occur while executing an IDE command WIN_READ_NATIVE_MAX to determine the maximum size of a drive. A privileged user inside guest could use this flaw to crash the Qemu instance resulting in DoS. Upstream fix: ------------- -> https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg02479.html The fix disables undue IDE commands for CD-ROM drives. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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