CVE-2017-15274

A flaw was found in the implementation of associative arrays where the add_key systemcall and KEYCTL_UPDATE operations allowed for a NULL payload with a nonzero length. When accessing the payload within this length parameters value, an unprivileged user could trivially cause a NULL pointer dereference (kernel oops).

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5,6,7, MRG-2 and realtime kernels.

Red Hat Enterprise Linux 5 has transitioned to Production phase 3.
During the Production 3 Phase, Critical impact Security Advisories (RHSAs) and selected Urgent Priority Bug Fix Advisories (RHBAs) may be released as they become available.

At this time this bug is not meet this critera and is unlikley to be fixed for these releases.

The official life cycle policy can be reviewed here:

http://redhat.com/rhel/lifecycle

Future Linux kernel updates for the products in production phase 1 and 2, namely Red Hat Enterprise Linux 6, 7 and MRG-2 may address this issue.

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.