CVE-2012-4536
EPSS 0.08%
Description
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
How to fix CVE-2012-4536
To remediate CVE-2012-4536, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.1.3-4 or later
Is CVE-2012-4536 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