The vulnerabilities of the functions ocfs2_extent_map_get_blocks(), ocfs2_fiemap_inline(), and ocfs2_fiemap() in the kernel module fs/ocfs2/extent_map.c of the Linux operating system allow a hacker to cause a service failure.

The vulnerabilities of the functions ocfs2extentmapgetblocks, ocfs2fiemapinline, and ocfs2fiemap in the fs/ocfs2/extentmap.c module of the Linux operating system are related to improper locking mechanisms. Exploitation of these vulnerabilities could allow an attacker to cause service failures...