CVE-2014-1891

Severity: medium (CVSS 5.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-04-01 · updated 2026-06-17
Weakness: CWE-189

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.

Affected products

xen: through 4.3.0; 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.3.0, 3.3.1 (+18)

References

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

Get alerted when CVE-2014-1891 or the next vulnerability affects your stack