UBUNTU-CVE-2015-7813
Dashboard / Vulnerabilities / UBUNTU-CVE-2015-7813
Summary:
Details: Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.
References: https://ubuntu.com/security/CVE-2015-7813, http://xenbits.xen.org/xsa/advisory-146.html, https://www.cve.org/CVERecord?id=CVE-2015-7813
Affected packages
Package
Name: xen
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.4.2-0ubuntu0.14.04.3
Affected versions
4.3.0-1ubuntu1
4.3.0-1ubuntu2
4.3.0-1ubuntu3
4.3.0-1ubuntu4
4.3.0-1ubuntu5
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
