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CVE-2011-2901

Date: October 1, 2013

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.

Severity Score

Related Resources (8)

https://access.redhat.com/security/cve/CVE-2011-2901
https://bugzilla.redhat.com/show_bug.cgi?id=728042
http://www.openwall.com/lists/oss-security/2011/09/02/2
http://rhn.redhat.com/errata/RHSA-2011-1212.html
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
https://nvd.nist.gov/vuln/detail/CVE-2011-2901
https://www.mend.io/vulnerability-database/CVE-2011-2901

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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