Xen 4.4.x does not properly validate the load address for 64-bit ARM guest kernels, which allows local users to read system memory or cause a denial of service (crash) via a crafted kernel, which triggers a buffer overflow.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-3717
• http://www.openwall.com/lists/oss-security/2014/05/14/4
• http://www.openwall.com/lists/oss-security/2014/05/15/6
• http://www.openwall.com/lists/oss-security/2014/05/16/1
• http://www.securitytracker.com/id/1030252
• http://xenbits.xen.org/xsa/advisory-95.html