CVE-2012-4538
EPSS 0.05%
Description
The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
How to fix CVE-2012-4538
To remediate CVE-2012-4538, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.1.3-4 or later
Is CVE-2012-4538 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.1.3-4