CVE-2025-0686

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 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-2025-0685 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 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

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-2025-0684 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

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

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

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-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-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

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 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...

CVE-2024-45778

CVE-2024-45778 affects grub2, caused by a stack overflow when reading a BFS filesystem. A crafted BFS image can trigger an uncontrolled loop and crash grub2, per the NVD entry. Likely impact is availability (HIGH), with local access required (attack vector LOCAL), low attack complexity and low pr...

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...