CVE-2017-18270

A flaw was found in the Linux kernel in the way a local user could create keyrings for other users via keyctl commands. This may allow an attacker to set unwanted defaults, a denial of service, or possibly leak keyring information between users.

The impact is Moderate, because the impact is only for userspace programs if using keyctl incorrectly. For root-level processes (usually during boot) keyctl being used securely without possibility of leaking keys between users.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.