RHSA-2021:4122: Security update for 7 packages

RHSA-2021:4122, released November 3, 2021, fixes 2 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0148

74th percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kpatch-patch-4_18_0-305	RHEL 8	0:1-6.el8
kpatch-patch-4_18_0-305_10_2	RHEL 8	0:1-3.el8_4
kpatch-patch-4_18_0-305_12_1	RHEL 8	0:1-2.el8_4
kpatch-patch-4_18_0-305_17_1	RHEL 8	0:1-1.el8_4
kpatch-patch-4_18_0-305_19_1	RHEL 8	0:1-1.el8_4
kpatch-patch-4_18_0-305_3_1	RHEL 8	0:1-5.el8_4
kpatch-patch-4_18_0-305_7_1	RHEL 8	0:1-4.el8_4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2020-36385	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: u...	7.8	0.0148	None reported
High	CVE-2021-0512	kpatch-patch-4_18_0-305_19_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...	7.8	0.0028	None reported

Also fixes CVE-2020-36385

ELSA-2021-4056
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
RHSA-2021:4056
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2021:4088
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2021:4122

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