RHSA-2023:2736: Security update for 12 packages

RHSA-2023:2736, released May 16, 2023, fixes 46 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0414

90th percentile

Priority of the 46 CVEs

Patch now 0
                                Urgent 0
                                High 17
                                Routine 29

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-core	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-debug	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-debug-core	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-debug-devel	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-debug-kvm	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-debug-modules	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-debug-modules-extra	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-devel	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-kvm	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-modules	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8
kernel-rt-modules-extra	RHEL 8	0:4.18.0-477.10.1.rt7.274.el8_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2022-41674	backport-iwlwifi-dkms: An issue was discovered in the Linux kernel before 5.19.16	8.1	0.0414	None reported
High	CVE-2022-3564	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0146	None reported
High	CVE-2022-3623	kernel-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * use-after...	7.5	0.0110	None reported
High	CVE-2022-25265	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0105	None reported
High	CVE-2022-42720	backport-iwlwifi-dkms: Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x befor...	7.8	0.0090	None reported
High	CVE-2022-1679	kernel-tools-libs-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * off-path...	7.8	0.0081	None reported
High	CVE-2022-30594	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0080	None reported
High	CVE-2022-3566	linux: A vulnerability was identified in Linux Kernel up to 4.19.316/5.4.278/5.10.220/5.15.161	7.1	0.0074	None reported
High	CVE-2023-0461	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * use-after...	7.8	0.0065	None reported
High	CVE-2022-2196	linux: A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry...	8.8	0.0035	None reported
High	CVE-2022-3625	kernel-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * use-after...	7.8	0.0035	None reported
High	CVE-2022-39189	kernel-rt-kvm: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0034	None reported
High	CVE-2022-3239	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0025	None reported
High	CVE-2022-48695	kernel-rt-debug-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0024	None reported
High	CVE-2022-3028	kernel-rt-debug-modules-extra: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.0	0.0023	None reported
High	CVE-2022-20141	kernel-tools: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	7.0	0.0015	None reported
High	CVE-2022-3522	kernel-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * use-after...	7.0	n/a	None reported
Routine	CVE-2022-2663	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	5.3	0.0407	None reported
Routine	CVE-2022-3524	kernel-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * use-after...	5.5	0.0109	None reported
Routine	CVE-2023-0394	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * use-after...	6.5	0.0104	None reported
Routine	CVE-2022-47929	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	5.5	0.0104	None reported
Routine	CVE-2022-42703	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	5.5	0.0092	None reported
Routine	CVE-2022-41218	kernel-rt-debug-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	5.5	0.0083	None reported
Routine	CVE-2022-42721	backport-iwlwifi-dkms: A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 cou...	5.5	0.0065	None reported
Routine	CVE-2021-33656	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	6.8	0.0061	None reported

Also fixes CVE-2022-41674

RHSA-2023:2458
bpftool, kernel, kernel-64k and 43 more on RHEL 9
RHSA-2023:2148
kernel-rt, kernel-rt-core, kernel-rt-debug and 11 more on RHEL 9
ELSA-2023-2458
bpftool, kernel, kernel-abi-stablelists and 24 more on ol 9
ALSA-2023:2148
kernel-rt, kernel-rt-core, kernel-rt-debug and 11 more on almalinux 9
ALSA-2023:2458
bpftool, kernel, kernel-64k and 44 more on almalinux 9
RHSA-2023:2951
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
ELSA-2023-2951
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
ALSA-2023:2736
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on almalinux 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2023:2736

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