Linux · Security advisory · September 16, 2021

ELSA-2021-9451: Security update for 2 packages

ELSA-2021-9451, released September 16, 2021, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0066
51st percentile

Priority of the 4 CVEs

Patch now 0 Urgent 0 High 2 Routine 2

Fixed package versions

ProductReleaseFixed in
kernel-uek-containerol 80:5.4.17-2102.205.7.2.el8
kernel-uek-container-debugol 80:5.4.17-2102.205.7.2.el8

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2021-22543 kpatch-patch-4_18_0-305_3_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 0.0066 None reported
High CVE-2021-3609 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: r... 7.0 0.0043 None reported
Routine CVE-2021-3573 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ou... 6.7 0.0037 None reported
Routine CVE-2020-36311 kernel-uek: [5.4.17-2102.205.7.2] - btrfs: fix race between marking inode needs to be logged and log syncing (Filipe Manana) [Or... 5.5 0.0034 None reported
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