CVE-2026-53244 VFS: fix possible failure to unlock in nfsd4_create_file()

In the Linux kernel, the following vulnerability has been resolved: VFS: fix possible failure to unlock in nfsd4createfile atomiccreate in fs/namei.c drops the reference to the dentry when it returns an error. This behaviour was imported into dentrycreate so that it will drop the reference if an...

Linux kernel local filesystem DoS

The 1 reallookup and 2 lookuphash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted aka SDEAD directory, which allows local users to cause a denial of service "overflow" of the UBIFS orphan area via a...