CVE-2014-1895
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.
Key facts
- CVSS score
- 5.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:A/AC:M/Au:S/C:P/I:N/A:C- Weakness (CWE)
- CWE-189
- EPSS score
- 0.5% (45th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-1957)
- Published
- April 1, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-1957 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/6
- http://xenbits.xen.org/xsa/advisory-85.html(Patch, Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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