CVE-2012-4539
EPSS 0.07%
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."
How to fix CVE-2012-4539
To remediate CVE-2012-4539, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.1.3-4 or later
Is CVE-2012-4539 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