CVE-2015-2152
Low
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.
SeverityLow
CVSS1.9
Exploit probability—
Product
Xen
PublishedMar 18, 2015
First seenMar 18, 2015
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | v ≤ 4.5.0 | — |
| fedoraproject fedora | 20, 21, 22 | — |
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