RLSA-2023:1469: kernel-rt security update

RLSA-2023:1469, released April 6, 2023, fixes 3 CVEs in kernel-rt (version 0:5.14.0-162.22.2.rt21.186.el9_1). 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

Highest CVSS

7.8

Base score, 0 to 10

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	rocky 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://errata.rockylinux.org/RLSA-2023:1469

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