(RHSA-2019:4168) 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: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)

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):

• [HPEMC 7.7 BUG] Protect against concurrent calls into UV BIOS (BZ#1720367)

• A cluster node has multiple hung “mv” processes that are accessing a gfs2 filesystem. (BZ#1721911)

• alua messages flooding serial console leading to cluster failover delays (BZ#1754849)

• kernel build: parallelize redhat/mod-sign.sh (BZ#1755329)

• kernel build: speed up module compression step (BZ#1755338)

• Nested VirtualBox VMs on Windows guest has the potential of impacting memory region allocated to other KVM guests (BZ#1755782)

• [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM. (BZ#1757756)

• OS getting restarted because of driver issue with QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA [1077:2532] (rev 02). (BZ#1759446)

• patchset for x86/atomic: Fix smp_mb__{before,after}_atomic() (BZ#1772810)