The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of invalid variable stack read operations.
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1530279]
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):