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 incorrect BPF_RSH signed bounds calculations. Upstream patch: https://github.com/torvalds/linux/commit/4374f256ce8182019353c0c639bb8d0695b4c941 References: http://www.openwall.com/lists/oss-security/2017/12/21/2
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1530279]
Statement: 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): https://access.redhat.com/security/cve/cve-2017-17853