CVE-2025-68261

CVE-2025-68261 concerns a race in ext4 where inline data destruction (ext4_destroy_inline_data_nolock) and block mapping (ext4_map_blocks) can concurrently modify inode layout, causing a state where EXT4_INODE_EXTENTS flag is observed incorrectly and triggers a kernel BUG in fs/ext4/indirect.c (l...