RHSA-2019:3836: Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)</li> <li> hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)</li> <li> Kernel: vhostnet: infinite loop while receiving packets leads to DoS (CVE-2019-3900)</li> <li> hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> [Intel 6.10 Bug] With mWait/C-states disabled, HT on, ibrs enabled, performance impact observed on user space benchmark (BZ#1560787)</li> <li> kernel-2.6.32-573.60.2.el6 hangs/resets during boot in efientervirtualmode() on Xeon v2 E7-2870 (BZ#1645724)</li> <li> Slab leak: skbuffheadcache slab object still allocated after mcast processes are stopped and "fragments dropped after timeout" errors are shown (BZ#1752536)</li>