RHSA-2021:2167: Important: kpatch-patch security update
Published Jun 1, 2021
·Updated
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.Security Fix(es): kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466) kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
84 affected componentsFixes available
redhat/kpatch-patch<4_18_0-193_13_2-1-9.el8_2
4_18_0-193_13_2-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-1-9.el8_2
4_18_0-193_14_3-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-1-9.el8_2
4_18_0-193_19_1-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-1-7.el8_2
4_18_0-193_28_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-1-7.el8_2
4_18_0-193_29_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-7.el8_2
4_18_0-193_37_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-7.el8_2
4_18_0-193_40_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-7.el8_2
4_18_0-193_41_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-4.el8_2
4_18_0-193_46_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-4.el8_2
4_18_0-193_47_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-1-1.el8_2
4_18_0-193_51_1-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-1-11.el8_2
4_18_0-193_6_3-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-1-9.el8_2
4_18_0-193_13_2-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debuginfo-1-9.el8_2
4_18_0-193_13_2-debuginfo-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debugsource-1-9.el8_2
4_18_0-193_13_2-debugsource-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-1-9.el8_2
4_18_0-193_14_3-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debuginfo-1-9.el8_2
4_18_0-193_14_3-debuginfo-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debugsource-1-9.el8_2
4_18_0-193_14_3-debugsource-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-1-9.el8_2
4_18_0-193_19_1-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debuginfo-1-9.el8_2
4_18_0-193_19_1-debuginfo-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debugsource-1-9.el8_2
4_18_0-193_19_1-debugsource-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-1-7.el8_2
4_18_0-193_28_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debuginfo-1-7.el8_2
4_18_0-193_28_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debugsource-1-7.el8_2
4_18_0-193_28_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-1-7.el8_2
4_18_0-193_29_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debuginfo-1-7.el8_2
4_18_0-193_29_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debugsource-1-7.el8_2
4_18_0-193_29_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-7.el8_2
4_18_0-193_37_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debuginfo-1-7.el8_2
4_18_0-193_37_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debugsource-1-7.el8_2
4_18_0-193_37_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-7.el8_2
4_18_0-193_40_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debuginfo-1-7.el8_2
4_18_0-193_40_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debugsource-1-7.el8_2
4_18_0-193_40_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-7.el8_2
4_18_0-193_41_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debuginfo-1-7.el8_2
4_18_0-193_41_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debugsource-1-7.el8_2
4_18_0-193_41_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-4.el8_2
4_18_0-193_46_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debuginfo-1-4.el8_2
4_18_0-193_46_1-debuginfo-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debugsource-1-4.el8_2
4_18_0-193_46_1-debugsource-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-4.el8_2
4_18_0-193_47_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debuginfo-1-4.el8_2
4_18_0-193_47_1-debuginfo-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debugsource-1-4.el8_2
4_18_0-193_47_1-debugsource-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-1-1.el8_2
4_18_0-193_51_1-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debuginfo-1-1.el8_2
4_18_0-193_51_1-debuginfo-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debugsource-1-1.el8_2
4_18_0-193_51_1-debugsource-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-1-11.el8_2
4_18_0-193_6_3-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debuginfo-1-11.el8_2
4_18_0-193_6_3-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debugsource-1-11.el8_2
4_18_0-193_6_3-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-1-9.el8_2
4_18_0-193_13_2-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debuginfo-1-9.el8_2
4_18_0-193_13_2-debuginfo-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debugsource-1-9.el8_2
4_18_0-193_13_2-debugsource-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-1-9.el8_2
4_18_0-193_14_3-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debuginfo-1-9.el8_2
4_18_0-193_14_3-debuginfo-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debugsource-1-9.el8_2
4_18_0-193_14_3-debugsource-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-1-9.el8_2
4_18_0-193_19_1-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debuginfo-1-9.el8_2
4_18_0-193_19_1-debuginfo-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debugsource-1-9.el8_2
4_18_0-193_19_1-debugsource-1-9.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-1-7.el8_2
4_18_0-193_28_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debuginfo-1-7.el8_2
4_18_0-193_28_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debugsource-1-7.el8_2
4_18_0-193_28_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-1-7.el8_2
4_18_0-193_29_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debuginfo-1-7.el8_2
4_18_0-193_29_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debugsource-1-7.el8_2
4_18_0-193_29_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-7.el8_2
4_18_0-193_37_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debuginfo-1-7.el8_2
4_18_0-193_37_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debugsource-1-7.el8_2
4_18_0-193_37_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-7.el8_2
4_18_0-193_40_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debuginfo-1-7.el8_2
4_18_0-193_40_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debugsource-1-7.el8_2
4_18_0-193_40_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-7.el8_2
4_18_0-193_41_1-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debuginfo-1-7.el8_2
4_18_0-193_41_1-debuginfo-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debugsource-1-7.el8_2
4_18_0-193_41_1-debugsource-1-7.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-4.el8_2
4_18_0-193_46_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debuginfo-1-4.el8_2
4_18_0-193_46_1-debuginfo-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debugsource-1-4.el8_2
4_18_0-193_46_1-debugsource-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-4.el8_2
4_18_0-193_47_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debuginfo-1-4.el8_2
4_18_0-193_47_1-debuginfo-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debugsource-1-4.el8_2
4_18_0-193_47_1-debugsource-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-1-1.el8_2
4_18_0-193_51_1-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debuginfo-1-1.el8_2
4_18_0-193_51_1-debuginfo-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debugsource-1-1.el8_2
4_18_0-193_51_1-debugsource-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-1-11.el8_2
4_18_0-193_6_3-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debuginfo-1-11.el8_2
4_18_0-193_6_3-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debugsource-1-11.el8_2
4_18_0-193_6_3-debugsource-1-11.el8_2
Remediation
Event History
Jun 10, 2026
Advisory Published
via Red Hat·03:05 PM
Data Sourced
via Red Hat·03:05 PM
RemedyDescriptionAffected Software
Frequently Asked Questions
1
What is the severity of RHSA-2021:2167?
RHSA-2021:2167 has a severity classification of Important due to privilege escalation vulnerabilities.
2
How do I fix RHSA-2021:2167?
You can fix RHSA-2021:2167 by applying the updated kpatch-patch packages available in your system's package manager.
3
What vulnerabilities are addressed in RHSA-2021:2167?
RHSA-2021:2167 addresses a use after free vulnerability in eventpoll.c, which can lead to privilege escalation (CVE-2020-0466).
4
Which versions of kpatch-patch are affected by RHSA-2021:2167?
Versions of kpatch-patch prior to 4_18_0-193_13_2-1-9.el8_2 are affected by RHSA-2021:2167.
5
Is there a specific package to install for patching RHSA-2021:2167?
Yes, you need to install the kpatch-patch package version 4_18_0-193_13_2-1-9.el8_2 or higher to patch RHSA-2021:2167.