RHSA-2021:3676: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es):

• kernel: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653)
• kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656) 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):
• RHEL8.1 Snapshot1 - [4.18.0-128.el8.ppc64le] [ Brazos 31TB/192 Core ] While running upstream kernel selftest case system crashed ™ (BZ#1996056)
• Kernel panic at n_tty_set_termios+0x30 (BZ#1998001) Enhancement(s):
• ixgbe: ea7813c6167a [netdrv] ixgbe: fix possible deadlock in ixgbe_service_task() (BZ#1993834)
• [Marvell 8.2 FEAT] update qla2xxx to latest upstream (BZ#2000531) Related CVEs:
• CVE-2021-3653: kernel: SVM nested virtualization issue in KVM (AVIC support)
• CVE-2021-3656: kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)