CVE-2014-1891 Integer overflow in n/a

What is CVE-2014-1891?

CVE-2014-1891 is a medium-severity vulnerability in Xen Xen, published on 1 Apr 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-189

Which versions are affected by CVE-2014-1891?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2014-1891?

No fix has been published for CVE-2014-1891 yet. Limit exposure of the affected software until one is available.

Is CVE-2014-1891 being exploited?

There is no known exploitation of CVE-2014-1891 in the wild and no public exploit code.

Other vulnerabilities in Xen Xen

• CVE-2017-10912 Privilege escalation in n/a Critical 10.0
• CVE-2017-10918 Memory corruption in n/a Critical 10.0
• CVE-2017-10920 Memory corruption in n/a Critical 10.0
• CVE-2017-10921 Memory corruption in n/a Critical 10.0
• CVE-2025-27466 Mutiple vulnerabilities in the Viridian interface Critical 9.8

All Xen Xen vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4jpf-c3p7-8jx7.