Vulnerability CVE-2014-5146
Published: 2014-08-22

Description:
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.7/10
6.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
XEN -> XEN 
Opensuse -> Opensuse 
Novell -> Opensuse 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
http://www.securityfocus.com/bid/69198
http://www.securitytracker.com/id/1030723
http://xenbits.xen.org/xsa/advisory-97.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
https://security.gentoo.org/glsa/201504-04
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