Vulnerability Details : CVE-2015-2151
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.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Products affected by CVE-2015-2151
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2151
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-2151
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2015-2151
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2151
-
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm
Security Advisory - Xen Vulnerabilities on Huawei FusionSphere products
-
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
Juniper Networks - 2016-10 Security Bulletin: CTPView: Multiple vulnerabilities in CTPView
-
http://www.securitytracker.com/id/1031903
Xen x86 Emulator Flaw Lets Local Users Obtain Sensitive Information and Cause Denial of Service Conditions - SecurityTrackerThird Party Advisory;VDB Entry
-
http://support.citrix.com/article/CTX200484
Citrix XenServer Multiple Security Updates
-
http://xenbits.xen.org/xsa/advisory-123.html
XSA-123 - Xen Security AdvisoriesPatch;Vendor Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html
[SECURITY] Fedora 21 Update: xen-4.4.1-16.fc21Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
[security-announce] openSUSE-SU-2015:0732-1: important: Security update
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Oracle Linux Bulletin - January 2016
-
https://security.gentoo.org/glsa/201604-03
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo security
-
http://www.securitytracker.com/id/1031806
Xen Multiple Flaws Let Local Guest Users Deny Service or Obtain Information From Other Guest Systems - SecurityTrackerThird Party Advisory;VDB Entry
-
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html
[SECURITY] Fedora 22 Update: xen-4.5.0-6.fc22Third Party Advisory
-
http://www.securityfocus.com/bid/73015
Xen CVE-2015-2151 Memory Corruption Vulnerability
-
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html
[SECURITY] Fedora 20 Update: xen-4.3.3-12.fc20Third Party Advisory
-
http://www.debian.org/security/2015/dsa-3181
Debian -- Security Information -- DSA-3181-1 xenThird Party Advisory
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