ALSA-2021:1734 Moderate: shim security update

The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments. Security Fixes: grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled CVE-2020-14372 grub2: Use-after-free in...

openSUSE Security Update : shim (openSUSE-2021-598)

This update for shim fixes the following issues : - Updated openSUSE x86 signature - Avoid the error message during linux system boot boo1184454 - Prevent the build id being added to the binary. That can cause issues with the signature Update to 15.4 boo1182057 + Rename the SBAT variable and fix...

SUSE SLED15 / SLES15 Security Update : shim (SUSE-SU-2021:1564-1)

This update for shim fixes the following issues : Update to the unified shim binary for SBAT support bsc1182057 + Merged EKU codesign check bsc1177315 shim-install: Always assume 'removable' for Azure to avoid the endless reset loop bsc1185464. Note that Tenable Network Security has extracted the...

SUSE-SU-2021:1564-1 Security update for shim

This update for shim fixes the following issues: - Update to the unified shim binary for SBAT support bsc1182057 + Merged EKU codesign check bsc1177315 - shim-install: Always assume 'removable' for Azure to avoid the endless reset loop bsc1185464...

x86: Speculative vulnerabilities with bare (non-shim) 32-bit PV guests

ISSUE DESCRIPTION 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to virtualization. In AMD64, Xen had to use a different...

Fedora: Security Advisory for shim-unsigned-x64 (FEDORA-2021-f6c91e2b75)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 33 Update: shim-unsigned-x64-15.4-5.fc33

Initial UEFI bootloader that handles chaining to a trusted full bootloader under secure boot environments...

Fedora: Security Advisory for shim (FEDORA-2021-cab258a413)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE: Security Advisory for shim (openSUSE-SU-2021:0598-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 34 Update: shim-unsigned-aarch64-15.4-1.fc34

Initial UEFI bootloader that handles chaining to a trusted full bootloader under secure boot environments...

OPENSUSE-SU-2021:0598-1 Security update for shim

This update for shim fixes the following issues: - Updated openSUSE x86 signature - Avoid the error message during linux system boot boo1184454 - Prevent the build id being added to the binary. That can cause issues with the signature Update to 15.4 boo1182057 + Rename the SBAT variable and fix t...

Security update for shim (important)

openSUSE Security Update: Security update for shim Announcement ID: openSUSE-SU-2021:0598-1 Rating: important References: 1173411 1174512 1175509 1177315 1177404 1177789 1182057 1184454 Cross-References: CVE-2019-14584 CVSS scores: CVE-2019-14584 SUSE: 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A...

SUSE: Security Advisory (SUSE-SU-2020:2627-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2021:0684-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2021:0681-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2020:2303-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2020:2628-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

ALPINE-CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

SUSE SLES12 Security Update : grub2 (SUSE-SU-2021:0682-1)

This update for grub2 fixes the following issues : grub2 now implements the new 'SBAT' method for SHIM based secure boot revocation. bsc1182057 Following security issues are fixed that can violate secure boot constraints : CVE-2020-25632: Fixed a use-after-free in rmmod command bsc1176711...

SUSE SLES15 Security Update : grub2 (SUSE-SU-2021:0685-1)

This update for grub2 fixes the following issues : grub2 now implements the new 'SBAT' method for SHIM based secure boot revocation. bsc1182057 Following security issues are fixed that can violate secure boot constraints : CVE-2020-25632: Fixed a use-after-free in rmmod command bsc1176711...