RHSA-2024:0876: Security update for 3 packages

RHSA-2024:0876, released February 20, 2024, fixes 4 CVEs across 3 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

0.0064

50th percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kpatch-patch-4_18_0-513_11_1	RHEL 8	0:1-1.el8_9
kpatch-patch-4_18_0-513_5_1	RHEL 8	0:1-3.el8_9
kpatch-patch-4_18_0-513_9_1	RHEL 8	0:1-2.el8_9

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2023-45871	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.5	0.0064	None reported
High	CVE-2023-4921	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0042	None reported
High	CVE-2024-0646	kpatch-patch-4_18_0-513_11_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	0.0031	None reported
High	CVE-2023-4623	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0028	None reported

Also fixes CVE-2023-45871

RHSA-2023:7749
bpftool, kernel, kernel-64k and 59 more on RHEL 9
ALAS2023-2023-356
bpftool, bpftool-debuginfo, kernel and 16 more on amzn 2023
ELSA-2023-13043
bpftool, kernel-uek, kernel-uek-container and 11 more on ol 8, ol 9
RXSA-2023:7749
kernel on rocky 9
ELSA-2023-7749
bpftool, kernel, kernel-abi-stablelists and 22 more on ol 9
ALSA-2024:0897
bpftool, kernel, kernel-abi-stablelists and 21 more on almalinux 8
RHSA-2024:0881
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
RHSA-2024:0897
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2024:0876

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