CVE-2025-0685

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some o...

AZL-57707 CVE-2025-0684 affecting package grub2 for versions less than 2.06-25

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 filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesyste...

DEBIAN-CVE-2025-0678

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some ...

CVE-2025-0678

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some ...

CVE-2024-45778

A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash...

CVE-2024-45778

A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash...

CVE-2025-0686 Grub2: romfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading dat

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 filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted...

CVE-2025-0686 Grub2: romfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading dat

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 filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted...

CVE-2025-0686

Affects grub2 ROMFS symlink handling (CVE-2025-0686). The romfs module uses user-controlled geometry parameters to size buffers in symlink lookups and fails to guard integer overflows, allowing buffer size miscalculation. This can cause grub_malloc to allocate too small a buffer, leading to out-o...

CVE-2025-0685 Grub2: jfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some o...

CVE-2025-0685

CVE-2025-0685 affects grub2, specifically the JFS filesystem module. The vulnerability arises from an integer overflow in buffer size calculations when reading data from JFS, allowing grub_jfs_read_file() to write beyond an internal buffer via grub_jfs_lookup_symlink(), which could corrupt grub’s...

CVE-2025-0685 Grub2: jfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some o...

CVE-2025-0684

CVE-2025-0684 – grub2 (reiserfs) heap-based OOB write Affects grub2’s reiserfs filesystem driver. The vulnerability arises during symlink lookups where the driver uses user-controlled filesystem geometry to size internal buffers and fails to properly guard for integer overflow. This can cause buf...

CVE-2025-0684 Grub2: reiserfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data

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 filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesyste...

CVE-2025-0684 Grub2: reiserfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data

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 filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesyste...

CVE-2025-0678 Grub2: squash4: integer overflow may lead to heap based out-of-bounds write when reading data

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some ...

CVE-2025-0678 Grub2: squash4: integer overflow may lead to heap based out-of-bounds write when reading data

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 determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some ...

CVE-2025-0678

The CVE-2025-0678 entry describes a grub2 squash4 filesystem flaw where integer overflow in buffer size calculations leads to grub_malloc() under-allocating and a heap-based out-of-bounds write during direct_read(), potentially allowing arbitrary code execution and bypass of secure boot. Connecte...

CVE-2024-45782 Grub2: fs/hfs: strcpy() using the volume name (fs/hfs.c:382)

A flaw was found in the HFS filesystem. When reading an HFS volume's name at grubfsmount, the HFS filesystem driver performs a strcpy using the user-provided volume name as input without properly validating the volume name's length. This issue may read to a heap-based out-of-bounds writer,...

CVE-2024-45778 Grub2: fs/bfs: integer overflow in the bfs parser.

A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash...