Linux · Security advisory · March 27, 2023

RHSA-2023:1469: Security update for 12 packages

RHSA-2023:1469, released March 27, 2023, fixes 3 CVEs across 12 products. One of them is being exploited (CVE-2023-0266); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2023-0266

Exploitation more likely

Vendor assessment

Highest EPSS

0.0370

89th percentile

Priority of the 3 CVEs

Patch now 1
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-core	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-debug	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-debug-core	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-debug-devel	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-debug-kvm	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-debug-modules	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-debug-modules-extra	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-devel	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-kvm	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-modules	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1
kernel-rt-modules-extra	RHEL 9	0:5.14.0-162.22.2.rt21.186.el9_1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
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-2022-4744	kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: t...	7.8	0.0046	None reported
High	CVE-2022-4269	kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s...	7.8	0.0020	None reported

Also fixes CVE-2023-0266

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
RHSA-2023:1659
kpatch-patch-4_18_0-425_10_1, kpatch-patch-4_18_0-425_13_1, kpatch-patch-4_18_0-425_3_1 on RHEL 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

Vendor advisory

https://access.redhat.com/errata/RHSA-2023:1469

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