UBUNTU-CVE-2016-5242
Dashboard / Vulnerabilities / UBUNTU-CVE-2016-5242
Summary:
Details: The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.
References: https://ubuntu.com/security/CVE-2016-5242, http://xenbits.xen.org/xsa/advisory-181.html, https://www.cve.org/CVERecord?id=CVE-2016-5242
Affected packages
Package
Name: xen
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.4.2-0ubuntu0.14.04.6
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
