CVE-2015-2152

NameCVE-2015-2152
DescriptionXen 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow
Debian Bugs780975

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.4+37-g3263f257ca-1fixed
buster (security)4.11.4+57-g41a822c392-2fixed
bullseye, sid4.14.0+88-g1d1d1f5391-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensourcesqueeze(unfixed)end-of-life
xensource(unstable)4.4.1-9low780975

Notes

[wheezy] - xen <no-dsa> (Minor issue, xl not used in wheezy)
[squeeze] - xen <end-of-life> (Not supported in Squeeze LTS)
http://xenbits.xen.org/xsa/advisory-119.html

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