- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201612-56 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Xen: Multiple vulnerabilities Date: December 31, 2016 Bugs: #600382, #600662, #601248, #601250, #601986 ID: 201612-56 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in Xen, the worst of which could lead to the execution of arbitrary code on the host system. Background ========== Xen is a bare-metal hypervisor. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.7.1-r4 >= 4.7.1-r4 2 app-emulation/xen-tools < 4.7.1-r4 >= 4.7.1-r4 3 app-emulation/xen-pvgrub < 4.7.1-r1 >= 4.7.1-r1 ------------------------------------------------------------------- 3 affected packages Description =========== Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Impact ====== A local attacker could possibly execute arbitrary code with the privileges of the process, could gain privileges on the host system, cause a Denial of Service condition, or obtain sensitive information. Workaround ========== There is no known workaround at this time. Resolution ========== All Xen users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.1-r4" All Xen Tools users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.7.1-r4" All Xen PvGrub users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-pvgrub-4.7.1-r1" References ========== [ 1 ] CVE-2016-10024 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10024 [ 2 ] CVE-2016-9377 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9377 [ 3 ] CVE-2016-9378 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9378 [ 4 ] CVE-2016-9379 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9379 [ 5 ] CVE-2016-9380 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9380 [ 6 ] CVE-2016-9381 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9381 [ 7 ] CVE-2016-9382 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9382 [ 8 ] CVE-2016-9383 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9383 [ 9 ] CVE-2016-9384 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9384 [ 10 ] CVE-2016-9385 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9385 [ 11 ] CVE-2016-9386 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9386 [ 12 ] CVE-2016-9637 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9637 [ 13 ] CVE-2016-9815 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9815 [ 14 ] CVE-2016-9816 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9816 [ 15 ] CVE-2016-9817 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9817 [ 16 ] CVE-2016-9818 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9818 [ 17 ] CVE-2016-9932 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9932 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201612-56 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2016 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5 --ag7nk0FVmANXnBU8woenWem4hLbWEGxAh--