Security update for grub2

This update for grub2 fixes the following issues: CVE-2025-54770: Fixed missing unregister call for netsetvlan command may lead to use-after-free bsc1252930 CVE-2025-54771: Fixed rubfileclose does not properly controls the fs refcount bsc1252931 CVE-2025-61661: Fixed out-of-bounds write in...

SUSE-SU-2025:4196-1 Security update for grub2

This update for grub2 fixes the following issues: - CVE-2025-54770: Fixed missing unregister call for netsetvlan command may lead to use-after-free bsc1252930 - CVE-2025-54771: Fixed rubfileclose does not properly controls the fs refcount bsc1252931 - CVE-2025-61661: Fixed out-of-bounds write in...

grub2-2.12-67.1 on GA media (moderate)

grub2-2.12-67.1 on GA media Announcement ID: openSUSE-SU-2025:15749-1 Rating: moderate Cross-References: CVE-2025-54770 CVE-2025-54771 CVE-2025-61661 CVE-2025-61662 CVE-2025-61663 CVE-2025-61664 CVSS scores: CVE-2025-54770 SUSE : 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVE-2025-54770 SUS...

SUSE-SU-2025:21062-1 Security update for grub2

This update for grub2 fixes the following issues: - CVE-2025-54770: Missing unregister call for netsetvlan command may lead to use-after-free bsc1252930 - CVE-2025-54771: grubfileclose does not properly controls the fs refcount bsc1252931 - CVE-2025-61661: Out-of-bounds write in grubusbgetstring...

SUSE-SU-2025:4152-1 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-2025-61662: Fixed missing unregister call for gettext command may lead to use-after-free bsc1252933 - CVE-2025-61663: Fixed missing unregister call fo...

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

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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...

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...

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:...

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-2025-54770

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-2025-54771

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-2025-61663

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-2025-61662

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...