CVE-2015-2151 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2151): The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.
This was already handled in the current version. GLSA Vote: No
Added to an existing GLSA Request.
This issue was resolved and addressed in GLSA 201604-03 at https://security.gentoo.org/glsa/201604-03 by GLSA coordinator Yury German (BlueKnight).