Description

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.

References

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

http://www.openwall.com/lists/oss-security/2018/03/09/1

http://www.securityfocus.com/bid/103350

https://access.redhat.com/errata/RHSA-2018:1369

https://access.redhat.com/errata/RHSA-2018:1416

https://access.redhat.com/errata/RHSA-2018:2162

https://bugzilla.redhat.com/show_bug.cgi?id=1553402

https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html

https://usn.ubuntu.com/3649-1/

Details

Risk Information

CVSS v2

CVSS v3