RHSA-2021:3676: Moderate: kernel security, bug fix, and enhancement update

Published Sep 28, 2021
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653)</li> <li> kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656)</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> RHEL8.1 Snapshot1 - [4.18.0-128.el8.ppc64le] [ Brazos 31TB/192 Core ] While running upstream kernel selftest case system crashed (TM) (BZ#1996056)</li> <li> Kernel panic at nttysettermios+0x30 (BZ#1998001)</li> Enhancement(s):<br><li> ixgbe: ea7813c6167a [netdrv] ixgbe: fix possible deadlock in ixgbeservicetask() (BZ#1993834)</li> <li> [Marvell 8.2 FEAT] update qla2xxx to latest upstream (BZ#2000531)</li>

Affected Software

105 affected componentsFixes available
redhat/kernel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-abi-whitelists<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-cross-headers<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-doc<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-headers<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-libs<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/perf<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/perf-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/python3-perf<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/python3-perf-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-cross-headers<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debuginfo-common-s390x<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-headers<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-zfcpdump<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-zfcpdump-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-zfcpdump-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-zfcpdump-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-zfcpdump-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-zfcpdump-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/perf<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/perf-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/python3-perf<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/python3-perf-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-cross-headers<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-core<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debug-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-debuginfo-common-ppc64le<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-headers<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-modules<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-modules-extra<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-libs<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/perf<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/perf-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/python3-perf<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/python3-perf-debuginfo<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/bpftool<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/bpftool-debuginfo<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-core<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-cross-headers<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debug<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debug-core<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debug-debuginfo<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debug-devel<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debug-modules<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debug-modules-extra<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debuginfo<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-devel<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-headers<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-modules<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-modules-extra<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-tools<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-tools-debuginfo<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-tools-libs<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/perf<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/perf-debuginfo<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/python3-perf<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/python3-perf-debuginfo<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa
redhat/kernel-tools-libs-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-libs-devel<4.18.0-147.56.1.el8_1
4.18.0-147.56.1.el8_1
redhat/kernel-tools-libs-devel<4.18.0-147.56.1.el8_1.aa
4.18.0-147.56.1.el8_1.aa

Remediation

Event History

Jun 20, 2024
Advisory Published
via Red Hat·01:33 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2021:3676?

The severity of RHSA-2021:3676 is classified as moderate.

2

How do I fix RHSA-2021:3676?

To fix RHSA-2021:3676, update the kernel packages to version 4.18.0-147.56.1.el8_1 or later.

3

What vulnerabilities are addressed in RHSA-2021:3676?

RHSA-2021:3676 addresses vulnerabilities related to SVM nested virtualization issues in KVM, specifically CVE-2021-3653 and CVE-2021-3656.

4

Which systems are affected by RHSA-2021:3676?

RHSA-2021:3676 affects systems running the specified kernel version, particularly those employing KVM for virtualization operations.

5

What packages are impacted by RHSA-2021:3676?

The impacted packages include kernel, bpftool, and several related kernel-modules and debuginfo packages.

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