CVE-2012-4539: Low severity xen xapi vulnerability
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 GNTTABOPgetstatusframes, aka "Grant table hypercall infinite loop DoS vulnerability."
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-4539?
CVE-2012-4539 is considered a high severity vulnerability due to its potential to cause a denial of service.
How does CVE-2012-4539 affect systems?
CVE-2012-4539 allows local guest OS administrators to induce an infinite loop and hang or crash the hypervisor.
What versions of Xen are affected by CVE-2012-4539?
CVE-2012-4539 affects Xen versions 4.0 through 4.2 when running 32-bit x86 PV guests on 64-bit hypervisors.
How can I mitigate CVE-2012-4539?
To mitigate CVE-2012-4539, ensure that the affected versions of Xen are updated to a patched version that addresses this vulnerability.
Is CVE-2012-4539 exploitable remotely?
CVE-2012-4539 is not exploitable remotely as it requires local administrative access to the guest operating system.