The vulnerability of the grub_cmd_chainloader() function, a loader for the Grub2 operating system, allows a hacker to gain access to confidential data and execute arbitrary code.

The vulnerability of the grubcmdchainloader function, a loader for the Grub2 operating system, is related to the repeated execution of the Chainloader command and the exploitation of the use-after-free vulnerability. Exploiting this vulnerability can allow an attacker to access confidential data...

The vulnerability of the shim_lock component in the Grub2 operating system allows a hacker to break the trust chain of secure loading.

The vulnerability of the shimlock component in the Grub2 operating system is related to the loading of non-atomic files into the secure boot mechanism that supports shim. Exploiting this vulnerability can allow an attacker to break the trust chain of the secure boot mechanism...

The vulnerability of the Grub2 operating system loader, related to writing beyond the boundary during the processing of split HTTP headers, allows a hacker to cause a service failure.

The vulnerability of the Grub loader is related to writing beyond the boundaries during the processing of split HTTP headers. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

SUSE CVE-2024-1048

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 ...

ROS-20240208-03

Grub loader vulnerability is related to out-of-bounds writes when processing delimited headers HTTP. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of denial of service A vulnerability in the grubcmdchainloader function of the Grub operating system...

CLSA-2024-1707226462 grub2: Fix of CVE-2023-4692

CVE-2023-4692: ntfs: checks to ensure that NTFS drive's sector numbers are never written beyond the boundary...

grub2 security vulnerability

grub2 is a Linux system boot program from the American GNU community. A security vulnerability exists in grub2, which stems from the fact that if the program is terminated before a rename operation, temporary files will not be deleted and may fill the filesystem on multiple invocations, resulting...

PT-2024-1698 · Grub2 +5 · Grub2 +5

Name of the Vulnerable Software and Affected Versions: grub2 affected versions not specified Description: A flaw in the grub2-set-bootflag utility of grub2 can lead to a denial of service. The issue arises when the program creates a temporary file with new grubenv content and is killed before...

[SECURITY] Fedora 39 Update: grub2-2.06-116.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...

Fedora 39 : grub2 (2024-53d986312e)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-53d986312e advisory. Combined update for several fixes as well as security fix for CVE-2023-4001 Mon Jan 15 2024 Nicolas Frayer [email protected] - 2.06-116...

Medium: rear

Issue Overview: Relax-and-Recover aka ReaR through 2.7 creates a world-readable initrd when using GRUBRESCUE=y. This allows local attackers to gain access to system secrets otherwise only readable by root. CVE-2024-23301 Affected Packages: rear Note: This advisory is applicable to Amazon Linux 2...

Fedora: Security Advisory for grub2 (FEDORA-2024-633dc7e183)

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: bypass the GRUB password protection feature

An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a fil...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 9. 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: bypass the GRUB password protection feature

An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a fil...

grub2: bypass the GRUB password protection feature

An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a fil...

OESA-2024-1077 rear security update

Relax-and-Recover is a setup-and-forget Linux bare metal disaster recovery solution. It is easy to set up and requires no maintenance so there is no excuse for not using it. Security Fixes: Relax-and-Recover aka ReaR through 2.7 creates a world-readable initrd when using GRUBRESCUE=y. This allows...

SUSE-SU-2024:0135-1 Security update for rear27a

This update for rear27a fixes the following issues: - CVE-2024-23301: Fixed ReaR creates world-readable initrd with GRUBRESCUE=Y. bsc1218728...

The vulnerability of the password-based protection mechanism of Grub2, a loader for operating systems, allows a hacker to bypass the established access control measures.

The vulnerability of the password-based authentication mechanism of the Grub2 operating system’s loader is related to the ability to bypass authentication through spoofing. Exploiting this vulnerability can allow an attacker to circumvent the established access control measures...

CVE-2023-4001

An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a fil...