Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

RHSA-2025:2521 Red Hat Security Advisory: grub2 security update

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Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

GNU GRUB2 Buffer Overflow Vulnerability (CNVD-2025-08321)

GRUB2 is a multiple bootloader for the GNU Project. A buffer overflow vulnerability exists in GNU GRUB2, which stems from the fact that when reading a tar file, GRUB2 allocates an internal buffer for the filename, and does not properly validate the allocation for a possible integer overflow. An...

GNU GRUB2 Buffer Overflow Vulnerability (CNVD-2025-08322)

GRUB2 is a multiple bootloader for the GNU Project. GNU GRUB2 suffers from a buffer overflow vulnerability that stems from a buffer overflow problem contained in reading the BFS file system. An attacker could exploit this vulnerability to cause a denial of service...

GNU GRUB2 Out-of-Bounds Write Vulnerability (CNVD-2025-08320)

GRUB2 is a multiple bootloader for the GNU Project. GNU GRUB2 suffers from an out-of-bounds write vulnerability that stems from a flaw found in the HFS file system. No details of the vulnerability are provided at this time...

GNU GRUB2 Buffer Overflow Vulnerability (CNVD-2025-08323)

GRUB2 is a multiple bootloader for the GNU Project. GNU GRUB2 suffers from a buffer overflow vulnerability that stems from an integer overflow flaw found in GRUB2's BFS file system driver. No detailed vulnerability details are provided at this time...

Important: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

GNU GRUB2 Buffer Overflow Vulnerability

GNU GRUB2 is an open source bootloader used to load the operating system kernel when the computer boots. GNU GRUB2 suffers from a buffer overflow vulnerability that originates from an integer overflow when reading data from the squash4 file system. An attacker can exploit this vulnerability to...

Linux Distros Unpatched Vulnerability : CVE-2025-0684

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub's reiserfs fs module uses user-controlled parameters from the...

Linux Distros Unpatched Vulnerability : CVE-2025-0624

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environmen...

Linux Distros Unpatched Vulnerability : CVE-2025-0677

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. When performing a symlink lookup, the grub's UFS module checks the inode's data size to allocate the internal buffer to read the file...

Linux Distros Unpatched Vulnerability : CVE-2025-1118

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attack...

Linux Distros Unpatched Vulnerability : CVE-2024-45780

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation...

Linux Distros Unpatched Vulnerability : CVE-2025-0685

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. When reading data from a jfs filesystem, grub's jfs filesystem module uses user-controlled parameters from the filesystem geometry to...

Linux Distros Unpatched Vulnerability : CVE-2025-0678

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to...

Linux Distros Unpatched Vulnerability : CVE-2024-45779

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number o...

Linux Distros Unpatched Vulnerability : CVE-2025-0686

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub's romfs filesystem module uses user-controlled parameters from the...

Linux Distros Unpatched Vulnerability : CVE-2020-25647

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB...

Linux Distros Unpatched Vulnerability : CVE-2024-45775

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in grub2 where the grubextcmddispatcher function calls grubarglistalloc to allocate memory for the grub's argument list. However, it fails to...