From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id D7A0C158094 for ; Sun, 25 Sep 2022 13:48:25 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id E5879E0E00; Sun, 25 Sep 2022 13:43:34 +0000 (UTC) Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id DA3F1E0D54 for ; Sun, 25 Sep 2022 13:35:35 +0000 (UTC) Received: from glsamakerdev.dev.gentoo.org (unknown [140.211.166.165]) by smtp.gentoo.org (Postfix) with ESMTP id 31CAE33D3C2 for ; Sun, 25 Sep 2022 13:35:35 +0000 (UTC) Received: from [172.18.0.3] (unknown [172.18.0.3]) by glsamakerdev.dev.gentoo.org (Postfix) with ESMTP id 265DF8CA80 for ; Sun, 25 Sep 2022 13:35:35 +0000 (-00) Subject: [gentoo-announce] [ GLSA 202209-12 ] GRUB: Multiple Vulnerabilities Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-announce@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg="pgp-sha512"; boundary="===============2974139067018666324==" From: glsamaker@gentoo.org To: gentoo-announce@lists.gentoo.org Reply-To: security@gentoo.org Date: Sun, 25 Sep 2022 13:35:34 -0000 Message-ID: <166411293515.9.2662004947160746435@90bb6a0775af> X-Archives-Salt: f24aae4c-78df-4b6b-acfe-96f161b3d231 X-Archives-Hash: 4aec6efd782dae47d899be3be2a016a3 --===============2974139067018666324== Content-Type: text/plain; charset="utf-8" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202209-12 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: GRUB: Multiple Vulnerabilities Date: September 25, 2022 Bugs: #850535, #835082 ID: 202209-12 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been discovered in GRUB, the worst of which may allow for secureboot bypass. Background ========== GNU GRUB is a multiboot boot loader used by most Linux systems. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-boot/grub < 2.06 >= 2.06 Description =========== Multiple vulnerabilities have been discovered in GRUB. Please review the CVE identifiers referenced below for details. Impact ====== Please review the referenced CVE identifiers for details. Workaround ========== There is no known workaround at this time. Resolution ========== All GRUB users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-boot/grub-2.06-r3" After upgrading, make sure to run the grub-install command with options appropriate for your system. See the GRUB2 Gentoo Wiki page for directions. Your system will be vulnerable until this action is performed. References ========== [ 1 ] CVE-2021-3695 https://nvd.nist.gov/vuln/detail/CVE-2021-3695 [ 2 ] CVE-2021-3696 https://nvd.nist.gov/vuln/detail/CVE-2021-3696 [ 3 ] CVE-2021-3697 https://nvd.nist.gov/vuln/detail/CVE-2021-3697 [ 4 ] CVE-2021-3981 https://nvd.nist.gov/vuln/detail/CVE-2021-3981 [ 5 ] CVE-2022-28733 https://nvd.nist.gov/vuln/detail/CVE-2022-28733 [ 6 ] CVE-2022-28734 https://nvd.nist.gov/vuln/detail/CVE-2022-28734 [ 7 ] CVE-2022-28735 https://nvd.nist.gov/vuln/detail/CVE-2022-28735 [ 8 ] CVE-2022-28736 https://nvd.nist.gov/vuln/detail/CVE-2022-28736 [ 9 ] CVE-2022-28737 https://nvd.nist.gov/vuln/detail/CVE-2022-28737 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202209-12 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 2022 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 --===============2974139067018666324== Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEpqTA6ABLMxh/aChGFMQkOaVy+9kFAmMwWSYACgkQFMQkOaVy +9lKnA//ZOnRHAt15938iR/jR3I9Jza2Qtu6GydMUlPl6j9pkxuVSXraTJ7umWWQ eKBTJiqOIvd+5Gmn8S/eqobOH+I82Li2Ov2KuTDqnPJoFafIl54aWMaXEixeGIz8 boxTbgGcvqhHeYBStwz593hV7//KuhlUKqTnnJoB1vq5+V7+AFcmzhk+3OWzNJHT T0gsuLi4bdAAGBfsMWru3f6EiM8V0tdbU61eR4nzTjgdqMdl8WrTlK7Hc/InmnJS v55tVH89lszoqVbiFol+cICX9ZY+nPl7ktZSFWht8pv41Q4Q0SH3+EqZnEeQXZUk kDu8I/xWMf6C/sd9lkYuk6QjFLI59skv6/jZT0VmLa0gmlahAuzC/FHsPHxeCeyC Gt0BYZeeECao9beEyYCw8H86gyMbyxckMLEEVnSVqqToROrxU5Wc/hSIG2pA48g9 TocnLX/CFEpqGpenSCiqoSAy/57Z8syzeYWwd90QLd2n18j+83EzmyNxBr3Ps/DO jkgiwawJsd1rgsMname7qtKdrNGRh5wATRgOjoPLCMCmFvImovmN9oSacdvlzUYh EWUSdbR/S2CPGZaA/kgCpQ9q34imcAl8YXBk2y2ujJDamXYtX/qhySITN9JpWVll t4NIWZQA16mt0mL61OaZHVLY1FUUA0/XN+v9Q07F0oMuNZXYKws= =FesR -----END PGP SIGNATURE----- --===============2974139067018666324==--