CVE detail
CVE-2012-4538 — CVE-2012-4538
Published 2012-11-24 · Modified 2026-06-16 · Vendor xen · Product xen · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0044
EPSS probability
exploitation probability, 30d
37.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References