CVE-2015-2152

xen: HVM qemu unexpectedly enabling emulated VGA graphics backends (XSA 119)

Published Mar 18, 2015 CVSS 2.0 · 1.9 Low EPSS < 1% KEV · Not listed
Description
Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2015-2262 Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 5:10 AM
Reserved
Feb 28, 2015, 12:00 AM
Status
Modified
Published
Mar 18, 2015, 4:59 PM
Modified
Jun 17, 2026, 12:23 AM
Severity
Low
Public date
Mar 12, 2015, 12:00 AM