UBUNTU-CVE-2015-4163
Dashboard / Vulnerabilities / UBUNTU-CVE-2015-4163
Summary:
Details: GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
References: https://ubuntu.com/security/CVE-2015-4163, http://xenbits.xen.org/xsa/advisory-134.html, https://www.cve.org/CVERecord?id=CVE-2015-4163
Affected packages
Package
Name: xen
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.4.2-0ubuntu0.14.04.2
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
