CVE-2015-5166
EPSS 0.07%
Description
Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
How to fix CVE-2015-5166
To remediate CVE-2015-5166, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:2.4+dfsg-1a or later
- Debian/xen—upgrade to 4.4.0-1 or later
Is CVE-2015-5166 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:2.4+dfsg-1a
- from 0, < 4.4.0-1