RHSA-2020:2289: Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: double free may be caused by the function allocatetracebuffer in the file kernel/trace/trace.c (CVE-2017-18595) kernel: Heap overflow in mwifiexupdatebssdescwithie function in marvell/mwifiex/scan.c (CVE-2019-3846) kernel: Heap overflow in mwifiexuapparsetailies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126) kernel: use-after-free in blkaddtrace in kernel/trace/blktrace.c (CVE-2019-19768) Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) 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.Bug Fix(es): Observed a memory leak while using dm-multipath (BZ#1812935) Backport: Guest microcode version mismatch on secondary processors (BZ#1814001) dm-multipath high load backport incorrect (BZ#1814533) ixgbe reports "Detected Tx Unit Hang" with adapter reset on RHEL 7 (BZ#1816990) RHEL7: block mq hang of a blkmqfreezequeuewait(), which waits for a zero of a qusagecounter, which never happens (BZ#1824543)