CVE-2018-7492: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 17.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Linux Linux Kernel: before 4.14.7 (fixed in 4.14.7)

Published 2018-02-26. Last modified 2026-06-17.