RHSA-2023:1659: Security update for 3 packages

RHSA-2023:1659, released April 5, 2023, fixes 4 CVEs across 3 products. 2 of them are being exploited (CVE-2023-0386); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2023-0386

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0788

94th percentile

Priority of the 4 CVEs

Patch now 2
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kpatch-patch-4_18_0-425_10_1	RHEL 8	0:1-4.el8_7
kpatch-patch-4_18_0-425_13_1	RHEL 8	0:1-2.el8_7
kpatch-patch-4_18_0-425_3_1	RHEL 8	0:1-6.el8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2023-0386	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s...	7.8	0.0788	KEVExploited
Patch now	CVE-2023-0266	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s...	7.8	0.0370	KEVExploited
High	CVE-2022-4378	kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s...	7.8	0.0044	None reported
High	CVE-2023-1476	kpatch-patch-4_18_0-425_10_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...	7.0	0.0023	None reported

Also fixes CVE-2023-0386

RXSA-2023:1566
kernel on rocky 8
RLSA-2023:1584
kernel-rt on rocky 8
ELSA-2023-1566
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
ALSA-2023:1566
bpftool, kernel, kernel-abi-stablelists and 21 more on almalinux 8
ALSA-2023:1584
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on almalinux 8
RHSA-2023:1566
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2023:1584
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
DSA-5402-1
linux on Debian 11.6 (bullseye)

Vendor advisory

https://access.redhat.com/errata/RHSA-2023:1659

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