CVE-2018-7858

Public on 2018-06-07
Modified on 2018-06-11
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.
Severity
Medium
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 qemu-kvm 2018-06-07 23:41 ALAS2-2018-1034
Amazon Linux 1 qemu-kvm 2018-06-08 18:29 ALAS-2018-1034

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 4.9 AV:A/AC:M/Au:S/C:P/I:P/A:P
Amazon Linux CVSSv3 5.5 CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H