The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator),...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://access.redhat.com/errata/RHSA-2017:2392
- http://www.securityfocus.com/bid/94803
- https://bugzilla.redhat.com/show_bug.cgi?id=1334398
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
- https://access.redhat.com/errata/RHSA-2017:2408
- http://www.openwall.com/lists/oss-security/2016/12/09/1
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.