CVE-2023-54121

CVE-2023-54121 concerns the Linux kernel and specifically the btrfs extent map handling. The issue arises in btrfs_drop_extent_map_range when skip_pinned is true; the code incorrectly updates length and start while skipping a pinned extent, causing the computed end (len) to be too large and later...

UBUNTU-CVE-2024-45779

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 of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a he...