CVE-2011-2901

medium

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=728042

http://www.openwall.com/lists/oss-security/2011/09/02/2

http://security.gentoo.org/glsa/glsa-201309-24.xml

http://secunia.com/advisories/55082

http://rhn.redhat.com/errata/RHSA-2011-1212.html

Details

Source: Mitre, NVD

Published: 2013-10-01

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:A/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H