Linux · Security advisory · June 29, 2021

RHSA-2021:2563: Security update for 2 packages

RHSA-2021:2563, released June 29, 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

0.0083

57th percentile

Fixed package versions

Product	Release	Fixed in
kpatch-patch-4_18_0-305	RHEL 8	0:1-2.el8
kpatch-patch-4_18_0-305_3_1	RHEL 8	0:1-1.el8_4

CVEs this fix closes

Priority	CVE	Title	Impact	CVSS	EPSS	Exploitation
High	CVE-2021-33034	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	0.0083	None reported

Also fixes CVE-2021-33034

ELSA-2021-9362
kernel-uek, kernel-uek-debug, kernel-uek-debug-devel and 6 more on ol 8
ELSA-2021-9363
kernel-uek-container, kernel-uek-container-debug on ol 8
ELSA-2021-2570
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
RHSA-2021:2570
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2021:2599
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2021:2563

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