Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com
☎ 03 60 47 09 81 - info@securiteinfo.com
In the Linux kernel, the following vulnerability has been resolved:ocfs2: pass u64 to ocfs2_truncate_inline maybe overflowSyzbot reported a kernel BUG in ocfs2_truncate_inline. There are tworeasons for this: first, the parameter value passed is greater thanocfs2_max_inline_data_with_xattr, second, the start and end parameters ofocfs2_truncate_inline are "unsigned int".So, we need to add a sanity check for byte_start and byte_len right beforeocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greaterthan ocfs2_max_inline_data_with_xattr return -EINVAL.
No PoCs from references.
- https://github.com/w4zu/Debian_security