CVE-2014-1895

N/A Unknown
Published: April 01, 2014 Modified: May 06, 2026
View on NVD

Description

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
Source: cve@mitre.org
http://security.gentoo.org/glsa/glsa-201407-03.xml
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2014/02/07/12
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2014/02/10/6
Source: cve@mitre.org
http://xenbits.xen.org/xsa/advisory-85.html
Source: cve@mitre.org
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-201407-03.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2014/02/07/12
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2014/02/10/6
Source: af854a3a-2127-422b-91ae-364da2661108
http://xenbits.xen.org/xsa/advisory-85.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.1%
28th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-189

Affected Vendors

xen

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