Vulnerability Description
Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.
CVSS Score
5.5
MEDIUM
AV:A/AC:L/Au:S/C:N/I:N/A:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 3.3.0 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2011-1212.html
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2011/09/02/2
- https://bugzilla.redhat.com/show_bug.cgi?id=728042
- http://rhn.redhat.com/errata/RHSA-2011-1212.html
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2011/09/02/2
- https://bugzilla.redhat.com/show_bug.cgi?id=728042
FAQ
What is CVE-2011-2901?
CVE-2011-2901 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-addr...
How severe is CVE-2011-2901?
CVE-2011-2901 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2901?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.