The kernel packages contain the Linux kernel, the core of any Linux operating system.
kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559)
kernel: userfaultfd bypasses tmpfs file permissions (CVE-2018-18397)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
These updated kernel packages include also numerous bug fixes and enhancements. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3827321