CVE-2016-9922

Description

The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.

References

https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html

https://bugzilla.redhat.com/show_bug.cgi?id=1334398

http://www.securityfocus.com/bid/94803

http://www.openwall.com/lists/oss-security/2016/12/09/1

https://access.redhat.com/errata/RHSA-2017:2408

https://access.redhat.com/errata/RHSA-2017:2392

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70

Details

Risk Information

CVSS v2

CVSS v3