Vulnerability Details : CVE-2014-9066
Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065.
Vulnerability category: Denial of service
Products affected by CVE-2014-9066
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-9066
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-9066
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST |
CWE ids for CVE-2014-9066
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-9066
-
http://www.openwall.com/lists/oss-security/2014/12/08/4
oss-security - Xen Security Advisory 114 (CVE-2014-9065,CVE-2014-9066) - p2m lock starvation
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http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
[security-announce] openSUSE-SU-2015:0226-1: important: Security update
-
http://xenbits.xen.org/xsa/advisory-114.html
XSA-114 - Xen Security AdvisoriesPatch;Vendor Advisory
-
https://security.gentoo.org/glsa/201504-04
Xen: Multiple vulnerabilities (GLSA 201504-04) — Gentoo security
-
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
[security-announce] openSUSE-SU-2015:0256-1: important: Security update
-
http://www.securityfocus.com/bid/71546
Xen CVE-2014-9066 Denial of Service Vulnerability
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