EulerOS Virtualization 2.13.1 : grub2 (EulerOS-SA-2026-2130)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A use-after-free vulnerability has been identified in the GNU GRUB Grand Unified Bootloader. The flaw occurs because the file-closin...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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 ea...

EulerOS 2.0 SP13 : grub2 (EulerOS-SA-2026-1210)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A vulnerability has been identified in the GRUB Grand Unified Bootloader component. This flaw occurs because the bootloader mishandles string...

EUVD-2025-200257

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker to escalate privileges by editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS. This is called F06...

CVE-2025-59697

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker to escalate privileges by editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS. This is called F06...

SUSE CVE-2025-61661

A vulnerability has been identified in the GRUB Grand Unified Bootloader component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can connect a malicious...

EUVD-2025-198082

A use-after-free vulnerability has been identified in the GNU GRUB Grand Unified Bootloader. The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub t...

DEBIAN-CVE-2025-61661

A vulnerability has been identified in the GRUB Grand Unified Bootloader component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can connect a malicious...

UBUNTU-CVE-2025-54771

A use-after-free vulnerability has been identified in the GNU GRUB Grand Unified Bootloader. The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub t...

CVE-2025-61661 Grub2: grub2: out-of-bounds write via malicious usb device

A vulnerability has been identified in the GRUB Grand Unified Bootloader component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can connect a malicious...

CVE-2025-54771

A use-after-free vulnerability has been identified in the GNU GRUB Grand Unified Bootloader. The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub t...

PT-2025-47382

Name of the Vulnerable Software and Affected Versions GRUB2 affected versions not specified Description A memory Use After Free issue exists in the GRUB2 bootloader's normal module. The problem arises because the normal exit command is not correctly unregistered when its associated module is...

The vulnerability of the UFS loader component of the Grub2 operating system, which allows a hacker to trigger a service failure

The vulnerability of the UFS loader component in operating systems like Grub relates to writing beyond the boundary. Exploiting this vulnerability can allow an attacker to cause a service failure...

[SECURITY] Fedora 38 Update: grub2-2.06-118.fc38

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...

Cisco IOS XR 安全漏洞

Cisco IOS XR is an operating system developed by Cisco for its network devices. A security vulnerability exists in Cisco IOS XR, which stems from a security issue in GRand Unified Bootloader GRUB, which can be exploited by an attacker to view sensitive files on the console using the GRUB bootload...

CVE-2023-20064 Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability

A vulnerability in the GRand Unified Bootloader GRUB for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of unnecessary comman...

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...

grub2: shim_lock verifier allows non-kernel files to be loaded

A flaw was found in grub2. The shimlock verifier from grub2 allows non-kernel files to be loaded when secure boot is enabled, giving the possibility of unverified code or modules to be loaded when it should not be allowed...

Fedora: Security Advisory for grub2 (FEDORA-2022-27932fdd06)

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...

grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process

A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...