Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3)...

Vulnerability Description

Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894.

References

• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
• http://www.openwall.com/lists/oss-security/2014/02/10/8
• http://xenbits.xen.org/xsa/advisory-84.html
• http://www.openwall.com/lists/oss-security/2014/02/07/4
• http://security.gentoo.org/glsa/glsa-201407-03.xml
• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
• http://www.openwall.com/lists/oss-security/2014/02/07/12