Vulnerability Details : CVE-2014-3968
The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x allows local guest HVM administrators to cause a denial of service (host crash) via a large number of crafted requests, which trigger an error messages to be logged.
Vulnerability category: Denial of service
Products affected by CVE-2014-3968
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-3968
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-3968
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:A/AC:L/Au:S/C:N/I:N/A:C |
5.1
|
6.9
|
NIST |
References for CVE-2014-3968
-
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
[security-announce] openSUSE-SU-2014:1279-1: important: xen: security an
-
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
[security-announce] openSUSE-SU-2014:1281-1: important: xen: security an
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http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html
[SECURITY] Fedora 20 Update: xen-4.3.2-5.fc20
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http://www.securityfocus.com/bid/67794
Xen 'HVM MSI injection' CVE-2014-3967 Denial of Service Vulnerability
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http://www.securityfocus.com/bid/67824
Xen CVE-2014-3968 Denial of Service Vulnerability
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http://www.securitytracker.com/id/1030322
Xen Null Pointer Dereference in HVMOP_inject_msi Lets Local Guest Users Deny Service on the Host System - SecurityTracker
-
http://www.openwall.com/lists/oss-security/2014/06/04/13
oss-security - Re: Xen Security Advisory 96 - Vulnerabilities in HVM MSI injection
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https://security.gentoo.org/glsa/201504-04
Xen: Multiple vulnerabilities (GLSA 201504-04) — Gentoo security
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http://xenbits.xen.org/xsa/advisory-96.html
XSA-96 - Xen Security AdvisoriesPatch;Vendor Advisory
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http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html
[SECURITY] Fedora 19 Update: xen-4.2.4-5.fc19
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