RHSA-2021:4646: Security update for 12 packages

RHSA-2021:4646, released November 15, 2021, fixes 2 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.5785

99th percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-core	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-debug	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-debug-core	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-debug-devel	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-debug-kvm	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-debug-modules	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-debug-modules-extra	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-devel	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-kvm	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-modules	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5
kernel-rt-modules-extra	RHEL 8	0:4.18.0-348.2.1.rt7.132.el8_5

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2021-43267	kpatch-patch-4_18_0-348: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...	9.8	0.5785	None reported
High	CVE-2021-20317	kernel-debug: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: I...	8.8	0.0038	None reported

Also fixes CVE-2021-43267

ELSA-2021-4647
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
ALSA-2021:4647
kernel-tools-libs-devel on almalinux 8
RLSA-2021:4647
kernel on rocky 8
RLSA-2021:4646
kernel-rt on rocky 8
RHSA-2021:4647
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2021:4645
kpatch-patch-4_18_0-348 on RHEL 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2021:4646

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