Categories: Elevation of Privilege Vulnerability in Kernel Keyring Component
Details: 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. [NIST-CVE-2016-0728]
