CVE-2014-1666
EPSS 3.3%
Description
The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
How to fix CVE-2014-1666
To remediate CVE-2014-1666, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.4.0-1 or later
Is CVE-2014-1666 being exploited?
Low — EPSS is 3.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.4.0-1