Linux · Security advisory · December 20, 2021

ELSA-2021-9623: Security update for 2 packages

ELSA-2021-9623, released December 20, 2021, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Vendor assessment

Highest EPSS

0.0041

35th percentile

Fixed package versions

Product	Release	Fixed in
kernel-uek-container	ol 8	0:5.4.17-2136.302.6.1.el8
kernel-uek-container-debug	ol 8	0:5.4.17-2136.302.6.1.el8

CVEs this fix closes

Priority	CVE	Title	Impact	CVSS	EPSS	Exploitation
High	CVE-2021-41864	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f...		8.2	0.0041	None reported

Also fixes CVE-2021-41864

ALSA-2022:1988
bpftool, kernel, kernel-abi-stablelists and 17 more on almalinux 8
RHSA-2022:1988
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2022:1975
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
RLSA-2022:1988
kernel on rocky 8
ELSA-2022-1988
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
RLSA-2022:1975
kernel-rt on rocky 8
ELSA-2021-9621
kernel-uek, kernel-uek-debug, kernel-uek-debug-devel and 5 more on ol 8

Vendor advisory

https://linux.oracle.com/errata/ELSA-2021-9623.html

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