Grub2: bypass the grub password protection feature

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OESA-2024-1714 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. Security Fixes: GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder.CVE-2021-46848...

[SECURITY] Fedora 40 Update: efifs-1.9-6.fc40

Free software EFI/UEFI standalone file system drivers, based on the GRUB 2.0 read-only drivers: AFFS Amiga Fast FileSystem, BFS BeOS FileSystem, btrfs, exFAT, ext2/ext3/ext4, F2FS experimental, HFS and HFS+ Mac OS, including the compression support, ISO9660, JFS Journaled FileSystem, nilfs2, NTFS...

Fedora: Security Advisory (FEDORA-2024-07342adb87)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Fedora: Security Advisory (FEDORA-2024-69933b0732)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

OESA-2024-1700 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. Security Fixes: GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder.CVE-2021-46848...

OESA-2024-1699 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. Security Fixes: GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder.CVE-2021-46848...

SUSE CVE-2023-4949

An attacker with local access to a system either through a disk or external drive can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub's XFS file system implementation...

Fedora: Security Advisory (FEDORA-2024-2b545d3085)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Fedora: Security Advisory for grub2 (FEDORA-2024-01f402fae5)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

grub2: grub2-set-bootflag can be abused by local (pseudo-)users

A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not ...

grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution

An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

grub2: out-of-bounds read at fs/ntfs.c

An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to...

CVE-2024-32741

A vulnerability has been identified in SIMATIC CN 4100 All versions V3.0. The affected device contains hard coded password which is used for the privileged system user root and for the boot loader GRUB by default . An attacker who manages to crack the password hash gains root access to the device...

SUSE-SU-2024:1507-1 Security update for SUSE Manager Server 4.3

This update fixes the following issues: cobbler: - Provide option to use pre-built GRUB bootloader - Prevent parallel executions of cobbler sync actions bsc1218764 image-sync-formula: - Update to version 0.1.1711646883.4a44375 Add missing URL tag Update license to SPDX syntax inter-server-sync: -...

grub2: out-of-bounds read at fs/ntfs.c

An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to...

grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution

An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a...

grub2: grub2-set-bootflag can be abused by local (pseudo-)users

A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not ...

[SECURITY] Fedora 39 Update: grub2-2.06-120.fc39

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...