RHSA-2020:0834: Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487) kernel: rtlp2pnoaie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666) Kernel: KVM: export MSRIA32TSXCTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338) 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): RHEL7.7 - default idle mishandles lazy irq state (BZ#1767620) Sanitize MM backported code for RHEL7 (BZ#1768386) A bio with a flush and write to an md device can be lost and never complete by the md layer (BZ#1773482) [FJ7.7 Bug]: [REG] Read from /proc/net/ifinet6 never stop. (BZ#1778084) RHEL7.7 - zfcp: fix reaction on bit error threshold notification (BZ#1778691) RHEL7.7 Snapshot3 - Kernel Panic when running LTP mm test on s390x (BZ#1780035) Leak in cachefiles driver (BZ#1780149) VFS: Busy inodes after unmount of loop0 when encountering duplicate directory inodes (BZ#1781159) Allocation failure in md's r10bufpoolalloc function leads to a crash from accessing uninitialized pointers (BZ#1781584) [Hyper-V][RHEL7.6]Hyper-V guest waiting indefinitely for RCU callback when removing a mem cgroup (BZ#1783177) A bnx2fc abort attempt doesn't timeout from miscalculation causing a huge timeout value (BZ#1784824) scsi: libiscsi: fall back to sendmsg for slab pages (BZ#1784826) RHEL7.7 - kernel: avoid cpu yield in SMT environment (BZ#1787558) RHEL7.6 - kernel: jump label transformation performance (BZ#1787559) drm radeon power management warning on VERDE cards (BZ#1789744) Duplicate enum value in include/linux/blktypes.h (BZ#1791781) [HPE 7.7 Bug] hpsa: bug fix for reset issue (BZ#1791782) System Crash on vport creation (NPIV on FCoE) (BZ#1791825) [Hyper-V][RHEL 7.8] Four Mellanox Patches needed for kernels that have that have SRIOV (BZ#1792371) WARNING: CPU: 7 PID: 2049 at mm/slub.c:2296 slaballoc+0x508/0x520 (BZ#1793086) fio with ioengine=pmemblk on fsdax failed (BZ#1793088) [HPE 7.7 Bug] hpsa: bug fixes (BZ#1793579) perf top -p PID does not show anything (BZ#1793581) Delay in RT task scheduled. Incorrect nrscheduled value. (BZ#1796261) A directory on a gfs2 filesystem appears corrupt on nodeB after nodeA renames the directory (BZ#1796431) ixgbevf interface goes down on hypervisor and causes outage (BZ#1796798) Can't enable virt-ssbd on some AMD hosts (BZ#1797511) [HPEMC 7.8 BUG] x86/boot/64: Avoid mapping reserved ranges in early page tables (BZ#1798163) Enhancement(s): scsi: qla2xxx: Fix panic in qladfstgtcountersshow' (BZ#1791595)