Security Bulletin: Vulnarability in grub2 library (CVE-2025-61662) affects Power HMC.

Summary The grub2 library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2025-61662 DESCRIPTION: A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the...

EulerOS Virtualization 2.13.0 : grub2 (EulerOS-SA-2026-2169)

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...

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...

RockyLinux 8 : grub2 (RLSA-2026:4648)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:4648 advisory. grub2: Missing unregister call for gettext command may lead to use-after-free CVE-2025-61662 Tenable has extracted the preceding description block directly from t...

grub2 security update

An update is available for grub2. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a...

grub2 security update

An update is available for grub2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a...

Astra Linux - уязвимость в grub2

A flaw was discovered in grub2, where its configuration file, known as grub.cfg, is created with the wrong permission set, allowing non-privileged users to read its contents. This represents a minor confidentiality issue, as those users could potentially access any encrypted passwords contained i...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading the name of a symbolic link from a UFS filesystem, grub2 fails to validate the string length provided as input. This lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and potentially allowing an attacker to...

Astra Linux - уязвимость в grub2

A flaw was discovered in grub2 in versions prior to 2.06. Variable names present in the supplied command line are expanded into their corresponding variable contents, using a 1 kB stack buffer for temporary storage. However, there is insufficient bounds checking. If the function is called with a...

Astra Linux - уязвимость в grub2

A out-of-bounds write flaw was discovered in grub2’s NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, resulting in corruption of grub’s heap metadata. In some cases, the attack may also corrupt the UEFI firmware heap metadata. As a...

Astra Linux - уязвимость в grub2

An integer overflow flaw was discovered in the BFS file system driver within grub2. When reading a file using an indirect extent map, grub2 fails to validate the number of extent entries to be read. A maliciously crafted or corrupted BFS file system may cause an integer overflow during file...

Astra Linux - уязвимость в grub2

A stack overflow flaw was discovered while reading a BFS file system. A specially crafted BFS file system may lead to an uncontrolled loop, causing grub2 to crash...

SUSE-SU-2026:21621-1 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: grub2 (UTSA-2026-017467)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017467 advisory. A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain command...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: grub2 (UTSA-2026-017485)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017485 advisory. A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an...

Astra Linux – Vulnerability in grub2

A flaw was discovered in the HFS filesystem. When reading the name of an HFS volume during the grubfsmount function, the HFS filesystem driver uses the user-provided volume name as input without properly verifying the length of that name. This issue may lead to a heap-based out-of-bounds write...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. A specially crafted JPEG file can cause the JPEG parser in grub2 to incorrectly check the boundaries of its internal buffers, leading to an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is still a concer...

Astra Linux – Vulnerability in grub2

Out-of-bounds write when handling split HTTP headers: When dealing with split HTTP headers, GRUB2’s HTTP code accidentally moves its internal data buffer point by one position. This can lead to an out-of-bounds write during the parsing of the HTTP request, resulting in writing a NULL byte beyond...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06, where it incorrectly enabled the use of the ACPI command when Secure Boot was enabled. This flaw allows an attacker with privileged access to create a Secondary System Description Table SSDT containing code that can overwrite the Linux...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read without sufficient bounds checking, assuming that the USB device provides valid values. If exploited properly, an attacker could cause memory corruption, leading to arbitrary code...