CVE-2015-2152

Severity: low (CVSS 1.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-03-18 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

Fedoraproject Fedora: 20, 21, 22
xen: through 4.5.0

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
http://www.securityfocus.com/bid/73068
http://www.securitytracker.com/id/1031806
http://www.securitytracker.com/id/1031919
http://xenbits.xen.org/xsa/advisory-119.html
https://security.gentoo.org/glsa/201504-04
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html

Get alerted when CVE-2015-2152 or the next vulnerability affects your stack