Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
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
ADP enrichment
No English description supplied.
- 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