ELSA-2023-12839: Security update for 20 packages

ELSA-2023-12839, released September 29, 2023, fixes 2 CVEs across 20 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

0.0507

92nd percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
bpftool	ol 8	0:4.18.0-477.27.1.el8_8
kernel	ol 8	0:4.18.0-477.27.1.el8_8
kernel-abi-stablelists	ol 8	0:4.18.0-477.27.1.el8_8
kernel-core	ol 8	0:4.18.0-477.27.1.el8_8
kernel-cross-headers	ol 8	0:4.18.0-477.27.1.el8_8
kernel-debug	ol 8	0:4.18.0-477.27.1.el8_8
kernel-debug-core	ol 8	0:4.18.0-477.27.1.el8_8
kernel-debug-devel	ol 8	0:4.18.0-477.27.1.el8_8
kernel-debug-modules	ol 8	0:4.18.0-477.27.1.el8_8
kernel-debug-modules-extra	ol 8	0:4.18.0-477.27.1.el8_8
kernel-devel	ol 8	0:4.18.0-477.27.1.el8_8
kernel-doc	ol 8	0:4.18.0-477.27.1.el8_8
kernel-headers	ol 8	0:4.18.0-477.27.1.el8_8
kernel-modules	ol 8	0:4.18.0-477.27.1.el8_8
kernel-modules-extra	ol 8	0:4.18.0-477.27.1.el8_8
kernel-tools	ol 8	0:4.18.0-477.27.1.el8_8
kernel-tools-libs	ol 8	0:4.18.0-477.27.1.el8_8
kernel-tools-libs-devel	ol 8	0:4.18.0-477.27.1.el8_8
perf	ol 8	0:4.18.0-477.27.1.el8_8
python3-perf	ol 8	0:4.18.0-477.27.1.el8_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2023-20593	amd64-microcode: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances,may allow an attacker to potentially access...	7.8	0.0507	None reported
High	CVE-2023-3390	linux: A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c	7.8	0.0091	None reported

Also fixes CVE-2023-20593

RHSA-2023:5069
bpftool, kernel, kernel-64k and 43 more on RHEL 9
RHSA-2023:5244
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
ALAS2023-2023-285
bpftool, bpftool-debuginfo, kernel and 16 more on amzn 2023
RLSA-2023:5091
kernel-rt on rocky 9
ALSA-2023:5069
bpftool, kernel, kernel-64k and 42 more on almalinux 9
ALSA-2023:5091
kernel-rt, kernel-rt-core, kernel-rt-debug and 11 more on almalinux 9
RHSA-2023:5091
kernel-rt, kernel-rt-core, kernel-rt-debug and 11 more on RHEL 9
RHSA-2023:5255
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8

Vendor advisory

https://linux.oracle.com/errata/ELSA-2023-12839.html

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