UBUNTU-CVE-2014-7156
Dashboard / Vulnerabilities / UBUNTU-CVE-2014-7156
Summary:
Details: The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.
References: https://ubuntu.com/security/CVE-2014-7156, http://xenbits.xen.org/xsa/advisory-106.html, https://www.cve.org/CVERecord?id=CVE-2014-7156
Affected packages
Package
Name: xen
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.4.0-0ubuntu5.2
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
