CVE-2012-4539

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-21 · updated 2026-06-16
Weakness: CWE-399

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."

Affected products

xen: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0 (+4)

References

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.html
http://secunia.com/advisories/51200
http://secunia.com/advisories/51324
http://secunia.com/advisories/51352
http://secunia.com/advisories/51413

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