Vulnerability Description
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
CVSS Score
2.1
LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 2.2.0 |
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.xen.org/archives/html/xen-announce/2012-11/msg00003.htmlVendor Advisory
- http://osvdb.org/87297
- http://secunia.com/advisories/51200
- http://secunia.com/advisories/51324
- http://secunia.com/advisories/51352
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2012/11/13/2
- http://www.securityfocus.com/bid/56498
- http://www.securitytracker.com/id?1027760
FAQ
What is CVE-2012-4536?
CVE-2012-4536 is a vulnerability with a CVSS score of 2.1 (LOW). The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an ou...
How severe is CVE-2012-4536?
CVE-2012-4536 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4536?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.