CVE-2025-54771 Grub2: use-after-free in grub_file_close()

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-2025-54771 Grub2: use-after-free in grub_file_close()

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-2025-54771

Concrete details available: CVE-2025-54771 is a use-after-free in GRUB2's file-closing path. The flaw arises when grub_file_close() fails to drop the fs refcount, leaving a stale pointer to a filesystem structure. Exploitation could cause GRUB to crash, yielding Denial of Service; data integrity/...

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-2025-54771

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

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-2025-54770

A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service DoS risk. This flaw is a Use-after-Free issue, caused because the netsetvlan command is not properly unregistered when the network module is unloaded from memory. An attacker who...

GNU GRUB 安全漏洞

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB that stems from the normalexit command not being properly logged off, which could lead to a post-release reuse issue resulting in a system crash or compromised data confidentiality and...

GNU GRUB 安全漏洞

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB, which originates from the reuse of the gettext module after its release, and could lead to a denial of service or data disclosure...

GNU GRUB 安全漏洞

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB, which stems from the reuse of the normal command after its release, which could result in a denial of service or a system crash...

Linux Distros Unpatched Vulnerability : CVE-2025-54771

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A use-after-free vulnerability has been identified in the GNU GRUB Grand Unified Bootloader. The flaw occurs because the file-closing process incorrectly retain...

PT-2025-47380

Name of the Vulnerable Software and Affected Versions GRUB affected versions not specified Description A Use-After-Free issue exists in GRUB's gettext module. This occurs because the gettext command remains registered in memory after its module is unloaded. Exploitation involves invoking the...

PT-2025-47381

Name of the Vulnerable Software and Affected Versions GRUB2 Bootloader affected versions not specified Description A Use-after-Free issue exists in the GRUB2 bootloader’s normal command. The flaw occurs because the normal command is not properly unregistered when the module is unloaded. An attack...

PT-2025-47376

Name of the Vulnerable Software and Affected Versions GRUB2 affected versions not specified Description A flaw exists in the GRUB2 bootloader’s network module that can lead to a Denial of Service DoS. This is a Use-after-Free issue stemming from improper unregistration of the net set vlan command...

GNU GRUB 安全漏洞

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB that stems from a post-release reuse issue in the network module that could lead to a denial of service...

Linux Distros Unpatched Vulnerability : CVE-2025-61663

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability has been identified in the GRUB2 bootloader's normal command that poses an immediate Denial of Service DoS risk. This flaw is a Use-after-Free...

Linux Distros Unpatched Vulnerability : CVE-2025-61662

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains register...

GNU GRUB 安全漏洞

GNU GRUB is a Linux system boot program from the GNU community. A security vulnerability exists in GNU GRUB that stems from improper handling of USB device string conversion, which could result in a denial of service or data corruption...

PT-2025-47379

Name of the Vulnerable Software and Affected Versions GRUB affected versions not specified Description A flaw exists in the GRUB bootloader due to improper handling of string conversion when processing information from a USB device. Specifically, the bootloader is susceptible to inconsistent leng...

PT-2025-47377

Name of the Vulnerable Software and Affected Versions GNU GRUB Grand Unified Bootloader affected versions not specified Description A use-after-free issue exists in GNU GRUB Grand Unified Bootloader. The problem stems from an incorrect memory pointer retention during the file-closing process,...