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CVE-2016-7777

Status Candidate

Overview

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.

Related Files

Gentoo Linux Security Advisory 201611-09
Posted Nov 15, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201611-9 - Multiple vulnerabilities have been found in Xen, the worst of which allows gaining of privileges on the host system. Versions less than 4.6.3-r3 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2016-6258, CVE-2016-7092, CVE-2016-7093, CVE-2016-7094, CVE-2016-7777
SHA-256 | 150b8fc9649193c656cb063bfd7db2df2856b9f70acd30052aa163a2c2782573
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