CVE-2015-2151
Vulnerability Summary
Timeline
Description
The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.
CVSS Metrics
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.24%• Percentile: 47%
Techniques & Countermeasures
- CWE-264•Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected Systems
- debian•debian_linux
7.0
- fedoraproject•fedora
20 | 21 | 22
- xen•xen
3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.3.0 | 3.3.1 | 3.3.2 | 3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.4.0 | 4.4.0:rc1 | 4.4.1 | 4.5.0
References (14)
- http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm
- http://support.citrix.com/article/CTX200484
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://xenbits.xen.org/xsa/advisory-123.html
- http://www.securitytracker.com/id/1031903
- http://www.debian.org/security/2015/dsa-3181
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- https://security.gentoo.org/glsa/201604-03
- http://www.securityfocus.com/bid/73015
- http://www.securitytracker.com/id/1031806