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...

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...

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. The calculation of the translation buffer when reading a language .mo file in grubgettextgetstrfromposition may overflow, resulting in an out-of-bound write. This issue can be exploited by an attacker to overwrite grub2’s sensitive heap data, ultimately allowing th...

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...

Astra Linux - уязвимость в 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 - уязвимость в 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...

Astra Linux - уязвимость в 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 - 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

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 - уязвимость в 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...

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 - уязвимость в grub2

A flaw was discovered in grub2. When performing a symlink lookup from a romfs filesystem, grub’s romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size. However, it improperly checks for integer overflows. A maliciously crafted...

Astra Linux - уязвимость в grub2

A flaw was discovered in grub2. The dump command of grub is not blocked when grub is in lockdown mode, which allows the user to read any memory information. An attacker could exploit this vulnerability to extract signatures, salts, and other sensitive information from the memory...

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 - уязвимость в 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...