- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202003-56 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Xen: Multiple vulnerabilities Date: March 25, 2020 Bugs: #686024, #699048, #699996, #702644 ID: 202003-56 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in Xen, the worst of which could allow for privilege escalation. Background ========== Xen is a bare-metal hypervisor. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.12.0-r1 >= 4.12.0-r1 2 app-emulation/xen-tools < 4.12.0-r1 >= 4.12.0-r1 ------------------------------------------------------------------- 2 affected packages Description =========== Multiple vulnerabilities have been discovered in Xen. Please review the referenced CVE identifiers for details. Impact ====== A local attacker could potentially gain privileges on the host system or cause a Denial of Service condition. 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-4.12.0-r1" References ========== [ 1 ] CVE-2018-12126 https://nvd.nist.gov/vuln/detail/CVE-2018-12126 [ 2 ] CVE-2018-12127 https://nvd.nist.gov/vuln/detail/CVE-2018-12127 [ 3 ] CVE-2018-12130 https://nvd.nist.gov/vuln/detail/CVE-2018-12130 [ 4 ] CVE-2018-12207 https://nvd.nist.gov/vuln/detail/CVE-2018-12207 [ 5 ] CVE-2018-12207 https://nvd.nist.gov/vuln/detail/CVE-2018-12207 [ 6 ] CVE-2019-11091 https://nvd.nist.gov/vuln/detail/CVE-2019-11091 [ 7 ] CVE-2019-11135 https://nvd.nist.gov/vuln/detail/CVE-2019-11135 [ 8 ] CVE-2019-18420 https://nvd.nist.gov/vuln/detail/CVE-2019-18420 [ 9 ] CVE-2019-18421 https://nvd.nist.gov/vuln/detail/CVE-2019-18421 [ 10 ] CVE-2019-18423 https://nvd.nist.gov/vuln/detail/CVE-2019-18423 [ 11 ] CVE-2019-18424 https://nvd.nist.gov/vuln/detail/CVE-2019-18424 [ 12 ] CVE-2019-18425 https://nvd.nist.gov/vuln/detail/CVE-2019-18425 [ 13 ] CVE-2019-19577 https://nvd.nist.gov/vuln/detail/CVE-2019-19577 [ 14 ] CVE-2019-19578 https://nvd.nist.gov/vuln/detail/CVE-2019-19578 [ 15 ] CVE-2019-19580 https://nvd.nist.gov/vuln/detail/CVE-2019-19580 [ 16 ] CVE-2019-19581 https://nvd.nist.gov/vuln/detail/CVE-2019-19581 [ 17 ] CVE-2019-19582 https://nvd.nist.gov/vuln/detail/CVE-2019-19582 [ 18 ] CVE-2019-19583 https://nvd.nist.gov/vuln/detail/CVE-2019-19583 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202003-56 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 2020 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. https://creativecommons.org/licenses/by-sa/2.5