Security update for grub2

This update for grub2 fixes the following issues: CVE-2025-54771: Fixed rubfileclose does not properly controls the fs refcount bsc1252931 CVE-2025-61661: Fixed out-of-bounds write in grubusbgetstring function bsc1252932 CVE-2025-61662: Fixed missing unregister call for gettext command may lead t...

SUSE-SU-2025:4143-1 Security update for grub2

This update for grub2 fixes the following issues: - CVE-2025-54771: Fixed rubfileclose does not properly controls the fs refcount bsc1252931 - CVE-2025-61661: Fixed out-of-bounds write in grubusbgetstring function bsc1252932 - CVE-2025-61662: Fixed missing unregister call for gettext command may...

SUSE 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...

TencentOS Server 3: grub2 (TSSA-2022:0064)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2022:0064 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

TencentOS Server 4: grub2 (TSSA-2024:0889)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0889 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

OPENSUSE-SU-2025:15749-1 grub2-2.12-67.1 on GA media

These are all security issues fixed in the grub2-2.12-67.1 package on the GA media of openSUSE Tumbleweed...

AlmaLinux 9 : grub2 (ALSA-2025:20532)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:20532 advisory. grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write. CVE-2024-45777 Tenable has extracted the preceding description block directly from the AlmaLin...

AZL-70577 CVE-2025-61663 affecting package grub2 for versions less than 2.06-26

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...

DEBIAN-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...

DEBIAN-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...

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-2025-54770

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...

CVE-2025-61662

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 registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the applicati...

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 Grub2: use-after-free in net_set_vlan

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...

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-2025-61663

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-2025-54771 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...