Xen XSA-224 Multiple Denial of Service Vulnerabilities

Bugtraq ID:	99435
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2017-10920 CVE-2017-10921 CVE-2017-10922
Remote:	Yes
Local:	No
Published:	Jun 20 2017 12:00AM
Updated:	Jun 20 2017 12:00AM
Credit:	Jan Beulich of SUSE.
Vulnerable:	Xen Xen 4.8 Xen Xen 4.7 Xen Xen 4.6 Xen Xen 4.6.3 Xen Xen 4.5.3 Xen Xen 4.5.0
Not Vulnerable:

Xen XSA-224 Multiple Denial of Service Vulnerabilities

Xen is prone to multiple denial-of-service vulnerabilities.

An attacker can exploit these issues to cause denial-of-service conditions.

Xen versions 4.5 and later are vulnerable.

Xen XSA-224 Multiple Denial of Service Vulnerabilities

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Xen XSA-224 Multiple Denial of Service Vulnerabilities

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Xen XSA-224 Multiple Denial of Service Vulnerabilities

References:

• Xen Homepage (XenSource )
  
• Xen Security Advisory 224 - grant table operations mishandle reference counts (Xen)