CVE-2018-7858

MEDIUM

QEMU - DoS

Title source: llm
STIX 2.1

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 (9)

Core 9
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2162
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1553402
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1369
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3649-1/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1416
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103350
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2018/03/09/1
Mailing List, Patch, Vendor Advisory mailing-list x_refsource_mlist
https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html
Mailing List, Release Notes, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

Scores

CVSS v3 5.5
EPSS 0.0006
EPSS Percentile 17.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (16)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
opensuse/leap 42.3
qemu/qemu < 2.11.2
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 6.0
redhat/enterprise_linux_server 7.0
... and 6 more
Published Mar 12, 2018
Tracked Since Feb 18, 2026