Multiple integer overflows in FLASK hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier

CVE-2014-1891 · MEDIUM Severity

AV:A/AC:M/AU:S/C:N/I:N/A:C

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.

Learn more about our User Device Pen Test.