Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security...

grub2: Heap based out-of-bounds write when redering certain unicode sequences

A flaw was found in the grub2 font code. When rendering certain unicode sequences, it fails to properly validate the font width and height. These values are further used to access the font buffer, causing possible out-of-bounds writes. A malicious actor may craft a font capable of triggering this...

RHEL 8 : grub2 (RHSA-2022:8800)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8800 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

SUSE SLES12: grub2 / grub2-arm64-efi / grub2-i386-pc / grub2-s390x-emu / etc (SUSE-SU-2022:4302-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4302-1 advisory. Security Fixes: - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775: Fixed integer underfl...

SUSE-SU-2022:4302-1 Security update for grub2

This update for grub2 fixes the following issues: Security Fixes: - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775: Fixed integer underflow in blitcomb bsc1205182. Other: - Bump upstream SBAT generation to 3 - Fix unreadable filesystem with xfs v4...

CVE-2022-2601 & CVE-2022-3775: Multiple GRUB2 vulnerabilities

Security Advisory ID : BSA-2022-2139 Component : GRUB2 Revision : 1.0 Brocade PSIRT has become aware of two grub vulnerabilities. CVE-2022-2601 grub2: A buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot by-pass A buffer overflow was found in...

SUSE: Security Advisory (SUSE-SU-2022:4219-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-2022:4218-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

[SECURITY] Fedora 36 Update: grub2-2.06-57.fc36

The GRand Unified Bootloader GRUB is a highly configurable and customizable bootloader with modular architecture. It supports a rich variety of kernel formats, file systems, computer architectures and hardware devices...

Fedora: Security Advisory for grub2 (FEDORA-2022-f86e203baf)

The remote host is missing an update for the Copyright C 2022 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...

SUSE SLES15: grub2 / grub2-arm64-efi / grub2-i386-pc / grub2-powerpc-ieee1275 / etc (SUSE-SU-2022:4218-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4218-1 advisory. - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775: Fixed integer underflow in blitcomb...

SUSE SLED15: grub2 / grub2-arm64-efi / grub2-arm64-efi-debug / etc (SUSE-SU-2022:4219-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4219-1 advisory. - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775:...

CLSA-2022-1669390018 grub2: Fix of 7 CVEs

CVE-2021-3981: Fix default privileges of grub.cfg file - CVE-2022-28736: Fix use-after-free bug when grubcmdchainloader is executed more than once before a boot attempt is performed. - CVE-2021-3695: Drop greyscale support to fix heap out-of-bounds write - CVE-2021-3696: Fix out of range...

CLSA-2022-1669388927 grub2: Fix of 7 CVEs

CVE-2021-3981: Fix default privileges of grub.cfg file - CVE-2022-28736: Fix use-after-free bug when grubcmdchainloader is executed more than once before a boot attempt is performed. - CVE-2021-3695: Drop greyscale support to fix heap out-of-bounds write - CVE-2021-3696: Fix out of range...

OESA-2022-2118 grub2 security update

GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring...

SUSE-SU-2022:4219-1 Security update for grub2

This update for grub2 fixes the following issues: - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775: Fixed integer underflow in blitcomb bsc1205182. Other: - Bump upstream SBAT generation to 3...

Buffer Overflow

grub2 is vulnerable to Buffer Overflow. The vulnerability exists in grubfontconstructglyph function which allows an attacker to cause an overflow when calculating the maxglyphsize value by sending a malicious crafted pf2 font...

SUSE: Security Advisory (SUSE-SU-2022:4143-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-2022:4141-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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 SLES12: grub2 / grub2-i386-pc / grub2-snapper-plugin / etc (SUSE-SU-2022:4144-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4144-1 advisory. Security Fixes: - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775: Fixed integer underflow in blitco...