The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in
the vfs implementation in the Linux kernel before 188.8.131.52 do not
prevent creation of a child dentry for a deleted (aka S_DEAD)
directory, which allows local users to cause a denial of service
("overflow" of the UBIFS orphan area) via a series of attempted file
creations within deleted directories.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[linux-kernel] 20080702 Is VFS behavior fine?
Disclaimer: The entry creation date may reflect when
the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security