CVE-2012-4539

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."

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2012/11/13/4 mailing list
http://secunia.com/advisories/55082 third party advisory
http://www.osvdb.org/87305 vdb entry
http://secunia.com/advisories/51413 third party advisory
http://secunia.com/advisories/51200 third party advisory
http://security.gentoo.org/glsa/glsa-201309-24.xml vendor advisory
http://www.debian.org/security/2012/dsa-2582 vendor advisory
http://www.securitytracker.com/id?1027763 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/80026 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html vendor advisory
http://secunia.com/advisories/51468 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html vendor advisory
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.html vendor advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor advisory
http://secunia.com/advisories/51352 third party advisory
http://secunia.com/advisories/51324 third party advisory
https://security.gentoo.org/glsa/201604-03 vendor advisory
http://www.securityfocus.com/bid/56498 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-4539?
CVE-2012-4539 has been scored as a low severity vulnerability.
How to fix CVE-2012-4539?
To fix CVE-2012-4539, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-4539 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-4539 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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