Linux · Security advisory · March 10, 2022

RHSA-2022:0819: Security update for 12 packages

RHSA-2022:0819, released March 10, 2022, fixes 7 CVEs across 12 products. 3 of them are being exploited (CVE-2022-0847); 3 on CISA KEV. Patch Radar priority: Patch now.

Patch now3 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2022-0847

Exploitation more likely

Vendor assessment

Highest EPSS

0.9280

99th percentile

Priority of the 7 CVEs

Patch now 3
                                Urgent 0
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-core	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-debug	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-debug-core	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-debug-devel	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-debug-kvm	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-debug-modules	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-debug-modules-extra	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-devel	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-kvm	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-modules	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5
kernel-rt-modules-extra	RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2022-0847	kernel-doc: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.9280	KEVExploited
Patch now	CVE-2022-0492	kernel-tools-libs-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.0553	KEVExploited
Patch now	CVE-2021-0920	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.0087	KEVExploited
High	CVE-2022-0435	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.6777	None reported
High	CVE-2022-22942	kernel-doc: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.0256	None reported
High	CVE-2021-4154	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.0122	None reported
High	CVE-2022-0330	kernel-tools-libs-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be...	8.8	0.0038	None reported

Also fixes CVE-2022-0847

ALAS2023-2023-070
bpftool, bpftool-debuginfo, kernel and 16 more on amzn 2023
ELSA-2022-0825
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
ALSA-2022:0825
kernel-tools-libs-devel on almalinux 8
RLSA-2022:0825
kernel on rocky 8
RHSA-2022:0825
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RLSA-2022:0819
kernel-rt on rocky 8
ELSA-2022-9245
kernel-uek-container, kernel-uek-container-debug on ol 8
DEBIAN-CVE-2022-0847
linux on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

Vendor advisory

https://access.redhat.com/errata/RHSA-2022:0819

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