Vulnerability Description
Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.4.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.h
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.h
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.h
- http://www.debian.org/security/2015/dsa-3414
- http://www.securitytracker.com/id/1034029
- http://xenbits.xen.org/xsa/advisory-146.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.h
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.h
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.h
- http://www.debian.org/security/2015/dsa-3414
- http://www.securitytracker.com/id/1034029
- http://xenbits.xen.org/xsa/advisory-146.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
FAQ
What is CVE-2015-7813?
CVE-2015-7813 is a vulnerability with a CVSS score of 2.1 (LOW). Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) H...
How severe is CVE-2015-7813?
CVE-2015-7813 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-2015-7813?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.