CVE detail
CVE-2012-4539 — CVE-2012-4539
Published 2012-11-21 · Modified 2026-06-16 · Vendor xen · Product xen · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0043
EPSS probability
exploitation probability, 30d
36.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."
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