The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4
subsystem in the Linux kernel before 220.127.116.11 attempts to access a
credentials cache even when a client specifies the AUTH_NULL
authentication flavor, which allows remote attackers to cause a denial
of service (NULL pointer dereference and system crash) via an NFSv4
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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