A NULL pointer dereference was found in net/rds/rdma.c:__rds_rdma_map() function in the Linux kernel allowing local attackers to cause a system panic and a denial-of-service.
An upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1527395]
This was fixed in the kernel-4.14.7 update for Fedora.
This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future Linux kernel updates for the respective releases may address this issue.
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 7, its real-time kernel, Red Hat Enterprise Linux 7 for ARM 64 and Red Hat Enterprise Linux 7 for Power 9 LE, as a code with the flaw is not built and shipped with the products listed.