VULNERABILITY INTELLIGENCE
CVE-2012-4539
CVSS score2.1 LOW
EPSS probability0.43%
CISA KEVNot currently listed
Published2012-11-21
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:P
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."