CVE-2018-7858

CVE Details

Release Date:	2018-03-12
Impact:	Moderate	What is this?

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.

See more information about CVE-2018-7858 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (qemu-kvm)	ELSA-2018-2162	2018-07-10
Oracle Linux version 7 (qemu)	ELSA-2018-4285	2018-11-20
Oracle Linux version 7 (qemu)	ELSA-2018-4289	2018-11-28
Oracle Linux version 7 (qemu)	ELSA-2019-4585	2019-03-15
Oracle Linux version 7 (qemu-kvm)	ELSA-2018-1416	2018-05-14
Oracle VM version 3.4 (qemu-kvm)	OVMSA-2018-0238	2018-07-10