CVE-2025-61664

CVE-2025-61664 (GRUB2) is a Use-After-Free in the normal module where the normal_exit command is not properly unregistered when a module is unloaded. An attacker could invoke the orphaned/normal_exit path after the module removal, causing the system to access a previously freed memory location an...

CVE-2025-61663 Grub2: missing unregister call for normal commands may lead to use-after-free

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 issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this comman...

CVE-2025-61663

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 issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this comman...

CVE-2025-61663

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 issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this comman...

CVE-2025-61663 Grub2: missing unregister call for normal commands may lead to use-after-free

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 issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this comman...

CVE-2025-61663 Grub2: missing unregister call for normal commands may lead to use-after-free

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 issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this comman...

CVE-2025-61663

CVE-2025-61663 describes a Use-After-Free in GRUB2's normal command: when the module is unloaded, the normal command is not properly unregistered, allowing a attacker to invoke the command and trigger access to freed memory, causing system crash and Denial of Service with potential impact on inte...

CVE-2025-61664

A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normalexit command is not properly unregistered when its related module is unloaded. An attacker can exploit this condition by invoking the command after...

CVE-2025-61663

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 issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this comman...

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-2025-61661

CVE-2025-61661 affects the GRUB2 bootloader. The vulnerability stems from the USB string conversion handling, allowing a local attacker with a malicious USB device connected during boot to trigger inconsistent length values, potentially crashing GRUB (DoS) and possibly causing data corruption (im...

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-2025-61661

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-2025-61661 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

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-2025-54770

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...

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...

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...

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...