- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202012-01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: X.Org X Server: Multiple vulnerabilities Date: December 07, 2020 Bugs: #734976, #757882 ID: 202012-01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in X.org X Server, the worst of which could lead to privilege escalation. Background ========== The X Window System is a graphical windowing system based on a client/server model. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-base/xorg-server < 1.20.10 >= 1.20.10 Description =========== Multiple vulnerabilities have been discovered in X.org X Server. Please review the CVE identifiers referenced below for details. Impact ====== Please review the referenced CVE identifiers for details. Workaround ========== A local attacker could escalate privileges. Resolution ========== All X.org X Server users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=11-base/xorg-server-1.20.10" References ========== [ 1 ] CVE-2020-14345 https://nvd.nist.gov/vuln/detail/CVE-2020-14345 [ 2 ] CVE-2020-14346 https://nvd.nist.gov/vuln/detail/CVE-2020-14346 [ 3 ] CVE-2020-14347 https://nvd.nist.gov/vuln/detail/CVE-2020-14347 [ 4 ] CVE-2020-14360 https://nvd.nist.gov/vuln/detail/CVE-2020-14360 [ 5 ] CVE-2020-14361 https://nvd.nist.gov/vuln/detail/CVE-2020-14361 [ 6 ] CVE-2020-14362 https://nvd.nist.gov/vuln/detail/CVE-2020-14362 [ 7 ] CVE-2020-25712 https://nvd.nist.gov/vuln/detail/CVE-2020-25712 [ 8 ] Upstream advisory (2020-07-31) https://lists.x.org/archives/xorg-announce/2020-July/003051.html [ 9 ] Upstream advisory (2020-08-25) https://lists.x.org/archives/xorg-announce/2020-August/003058.html [ 10 ] Upstream advisory (2020-12-01) https://lists.x.org/archives/xorg-announce/2020-December/003066.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202012-01 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