CVE-2015-2152

medium

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.

References

Advisories
More

http://www.securitytracker.com/id/1031919

http://www.securitytracker.com/id/1031806

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html

https://security.gentoo.org/glsa/201504-04

http://xenbits.xen.org/xsa/advisory-119.html

http://www.securityfocus.com/bid/73068

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html

Details

Source: Mitre, NVD

Published: 2015-03-18

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 1.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00094