The join_session_keyring function in security/keys/process_keys.c in
the Linux kernel before 4.4.1 mishandles object references in a
certain error case, which allows local users to gain privileges or
cause a denial of service (integer overflow and use-after-free) via
crafted keyctl commands.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20160119 Linux kernel: use after free in keyring facility.
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