ELSA-2021-9450: Security update for 9 packages

ELSA-2021-9450, released September 16, 2021, fixes 4 CVEs across 9 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

0.0066

51st percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 2

Fixed package versions

Product	Release	Fixed in
kernel-uek	ol 8	0:5.4.17-2102.205.7.2.el8uek
kernel-uek-debug	ol 8	0:5.4.17-2102.205.7.2.el8uek
kernel-uek-debug-devel	ol 8	0:5.4.17-2102.205.7.2.el8uek
kernel-uek-devel	ol 8	0:5.4.17-2102.205.7.2.el8uek
kernel-uek-doc	ol 8	0:5.4.17-2102.205.7.2.el8uek
kernel-uek-tools	ol 8	0:5.4.17-2102.205.7.2.el7uek
kernel-uek-tools-libs	ol 8	0:5.4.17-2102.205.7.2.el7uek
perf	ol 8	0:5.4.17-2102.205.7.2.el7uek
python-perf	ol 8	0:5.4.17-2102.205.7.2.el7uek

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2021-22543	kpatch-patch-4_18_0-305_3_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	0.0066	None reported
High	CVE-2021-3609	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: r...	7.0	0.0043	None reported
Routine	CVE-2021-3573	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ou...	6.7	0.0037	None reported
Routine	CVE-2020-36311	kernel-uek: [5.4.17-2102.205.7.2] - btrfs: fix race between marking inode needs to be logged and log syncing (Filipe Manana) [Or...	5.5	0.0034	None reported

Also fixes CVE-2021-22543

ELSA-2021-3057
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
RHSA-2021:3044
kpatch-patch-4_18_0-305, kpatch-patch-4_18_0-305_10_2, kpatch-patch-4_18_0-305_3_1 and 1 more on RHEL 8
RHSA-2021:3057
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2021:3088
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
ELSA-2021-9451
kernel-uek-container, kernel-uek-container-debug on ol 8

Vendor advisory

https://linux.oracle.com/errata/ELSA-2021-9450.html

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