The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before
220.127.116.11 contains an error path that does not properly release the
session management semaphore, which allows local users or remote
attackers to cause a denial of service (semaphore hang) via a new
session keyring (1) with an empty name string, (2) with a long name
string, (3) with the key quota reached, or (4) ENOMEM.
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