CVE-2014-1891

Xen < 4.3.0 - Denial of Service via FLASK Hypercall Integer Overflow

Title source: llm
STIX 2.1

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 (8)

Core 8
Core References
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2014/02/10/8
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-84.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2014/02/07/4
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201407-03.xml
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2014/02/07/12

Scores

EPSS 0.0027
EPSS Percentile 50.5%

Details

CWE
CWE-189
Status published
Products (25)
xen/xen 3.2.0
xen/xen 3.2.1
xen/xen 3.2.2
xen/xen 3.2.3
xen/xen 3.3.0
xen/xen 3.3.1
xen/xen 3.3.2
xen/xen 3.4.0
xen/xen 3.4.1
xen/xen 3.4.2
... and 15 more
Published Apr 01, 2014
Tracked Since Feb 18, 2026