Vulnerability in Xen

CVE-2012-4536

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.

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

Affected products

  • Xen — versions 2.2.0
  • N/a — versions n/a

References