CVEvulnerability
CVE-2014-1895
5.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2014-04-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:A/AC:M/Au:S/C:P/I:N/A:C
- Weaknesses
- CWE-189
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.
Affected configurations
• xen xen 4.2.0
• xen xen 4.2.1
• xen xen 4.2.2
• xen xen 4.2.3
• xen xen 4.3.0
• xen xen 4.3.1
Related
Weakness · not in database (1)
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html lists.opensuse.org
- http://security.gentoo.org/glsa/glsa-201407-03.xml security.gentoo.org
- http://www.openwall.com/lists/oss-security/2014/02/07/12 www.openwall.com
- http://www.openwall.com/lists/oss-security/2014/02/10/6 www.openwall.com
- http://xenbits.xen.org/xsa/advisory-85.html Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html lists.opensuse.org
- http://security.gentoo.org/glsa/glsa-201407-03.xml security.gentoo.org
- http://www.openwall.com/lists/oss-security/2014/02/07/12 www.openwall.com
- http://www.openwall.com/lists/oss-security/2014/02/10/6 www.openwall.com
- http://xenbits.xen.org/xsa/advisory-85.html Patch, Vendor Advisory