RHSA-2022:4809: Important: kpatch-patch security update
Published May 31, 2022
·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: buffer overflow in IPsec ESP transformation code (CVE-2022-27666) 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
91 affected componentsFixes available
redhat/kpatch-patch<4_18_0-305_10_2-1-10.el8_4
4_18_0-305_10_2-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-1-9.el8_4
4_18_0-305_12_1-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-1-8.el8_4
4_18_0-305_17_1-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-1-8.el8_4
4_18_0-305_19_1-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-1-7.el8_4
4_18_0-305_25_1-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-1-5.el8_4
4_18_0-305_28_1-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-1-5.el8_4
4_18_0-305_30_1-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-1-3.el8_4
4_18_0-305_34_2-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-1-12.el8_4
4_18_0-305_3_1-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-1-2.el8_4
4_18_0-305_40_1-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-1-2.el8_4
4_18_0-305_40_2-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-1-1.el8_4
4_18_0-305_45_1-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-1-11.el8_4
4_18_0-305_7_1-1-11.el8_4
redhat/kpatch-patch<4_18_0-305_10_2-1-10.el8_4
4_18_0-305_10_2-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_10_2-debuginfo-1-10.el8_4
4_18_0-305_10_2-debuginfo-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_10_2-debugsource-1-10.el8_4
4_18_0-305_10_2-debugsource-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-1-9.el8_4
4_18_0-305_12_1-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-debuginfo-1-9.el8_4
4_18_0-305_12_1-debuginfo-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-debugsource-1-9.el8_4
4_18_0-305_12_1-debugsource-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-1-8.el8_4
4_18_0-305_17_1-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-debuginfo-1-8.el8_4
4_18_0-305_17_1-debuginfo-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-debugsource-1-8.el8_4
4_18_0-305_17_1-debugsource-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-1-8.el8_4
4_18_0-305_19_1-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-debuginfo-1-8.el8_4
4_18_0-305_19_1-debuginfo-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-debugsource-1-8.el8_4
4_18_0-305_19_1-debugsource-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-1-7.el8_4
4_18_0-305_25_1-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-debuginfo-1-7.el8_4
4_18_0-305_25_1-debuginfo-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-debugsource-1-7.el8_4
4_18_0-305_25_1-debugsource-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-1-5.el8_4
4_18_0-305_28_1-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-debuginfo-1-5.el8_4
4_18_0-305_28_1-debuginfo-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-debugsource-1-5.el8_4
4_18_0-305_28_1-debugsource-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-1-5.el8_4
4_18_0-305_30_1-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-debuginfo-1-5.el8_4
4_18_0-305_30_1-debuginfo-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-debugsource-1-5.el8_4
4_18_0-305_30_1-debugsource-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-1-3.el8_4
4_18_0-305_34_2-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-debuginfo-1-3.el8_4
4_18_0-305_34_2-debuginfo-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-debugsource-1-3.el8_4
4_18_0-305_34_2-debugsource-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-1-12.el8_4
4_18_0-305_3_1-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-debuginfo-1-12.el8_4
4_18_0-305_3_1-debuginfo-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-debugsource-1-12.el8_4
4_18_0-305_3_1-debugsource-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-1-2.el8_4
4_18_0-305_40_1-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-debuginfo-1-2.el8_4
4_18_0-305_40_1-debuginfo-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-debugsource-1-2.el8_4
4_18_0-305_40_1-debugsource-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-1-2.el8_4
4_18_0-305_40_2-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-debuginfo-1-2.el8_4
4_18_0-305_40_2-debuginfo-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-debugsource-1-2.el8_4
4_18_0-305_40_2-debugsource-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-1-1.el8_4
4_18_0-305_45_1-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-debuginfo-1-1.el8_4
4_18_0-305_45_1-debuginfo-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-debugsource-1-1.el8_4
4_18_0-305_45_1-debugsource-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-1-11.el8_4
4_18_0-305_7_1-1-11.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-debuginfo-1-11.el8_4
4_18_0-305_7_1-debuginfo-1-11.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-debugsource-1-11.el8_4
4_18_0-305_7_1-debugsource-1-11.el8_4
redhat/kpatch-patch<4_18_0-305_10_2-1-10.el8_4
4_18_0-305_10_2-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_10_2-debuginfo-1-10.el8_4
4_18_0-305_10_2-debuginfo-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_10_2-debugsource-1-10.el8_4
4_18_0-305_10_2-debugsource-1-10.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-1-9.el8_4
4_18_0-305_12_1-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-debuginfo-1-9.el8_4
4_18_0-305_12_1-debuginfo-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_12_1-debugsource-1-9.el8_4
4_18_0-305_12_1-debugsource-1-9.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-1-8.el8_4
4_18_0-305_17_1-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-debuginfo-1-8.el8_4
4_18_0-305_17_1-debuginfo-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_17_1-debugsource-1-8.el8_4
4_18_0-305_17_1-debugsource-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-1-8.el8_4
4_18_0-305_19_1-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-debuginfo-1-8.el8_4
4_18_0-305_19_1-debuginfo-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_19_1-debugsource-1-8.el8_4
4_18_0-305_19_1-debugsource-1-8.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-1-7.el8_4
4_18_0-305_25_1-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-debuginfo-1-7.el8_4
4_18_0-305_25_1-debuginfo-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_25_1-debugsource-1-7.el8_4
4_18_0-305_25_1-debugsource-1-7.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-1-5.el8_4
4_18_0-305_28_1-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-debuginfo-1-5.el8_4
4_18_0-305_28_1-debuginfo-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_28_1-debugsource-1-5.el8_4
4_18_0-305_28_1-debugsource-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-1-5.el8_4
4_18_0-305_30_1-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-debuginfo-1-5.el8_4
4_18_0-305_30_1-debuginfo-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_30_1-debugsource-1-5.el8_4
4_18_0-305_30_1-debugsource-1-5.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-1-3.el8_4
4_18_0-305_34_2-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-debuginfo-1-3.el8_4
4_18_0-305_34_2-debuginfo-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_34_2-debugsource-1-3.el8_4
4_18_0-305_34_2-debugsource-1-3.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-1-12.el8_4
4_18_0-305_3_1-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-debuginfo-1-12.el8_4
4_18_0-305_3_1-debuginfo-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_3_1-debugsource-1-12.el8_4
4_18_0-305_3_1-debugsource-1-12.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-1-2.el8_4
4_18_0-305_40_1-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-debuginfo-1-2.el8_4
4_18_0-305_40_1-debuginfo-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_1-debugsource-1-2.el8_4
4_18_0-305_40_1-debugsource-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-1-2.el8_4
4_18_0-305_40_2-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-debuginfo-1-2.el8_4
4_18_0-305_40_2-debuginfo-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_40_2-debugsource-1-2.el8_4
4_18_0-305_40_2-debugsource-1-2.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-1-1.el8_4
4_18_0-305_45_1-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-debuginfo-1-1.el8_4
4_18_0-305_45_1-debuginfo-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_45_1-debugsource-1-1.el8_4
4_18_0-305_45_1-debugsource-1-1.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-1-11.el8_4
4_18_0-305_7_1-1-11.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-debuginfo-1-11.el8_4
4_18_0-305_7_1-debuginfo-1-11.el8_4
redhat/kpatch-patch<4_18_0-305_7_1-debugsource-1-11.el8_4
4_18_0-305_7_1-debugsource-1-11.el8_4
Remediation
Event History
Feb 12, 2026
Advisory Published
via Red Hat·06:01 PM
Data Sourced
via Red Hat·06:01 PM
RemedyDescriptionAffected Software
Frequently Asked Questions
1
What is the severity of RHSA-2022:4809?
The severity of RHSA-2022:4809 is classified as important.
2
How do I fix RHSA-2022:4809?
To fix RHSA-2022:4809, you should apply the latest kpatch-patch updates as provided by Red Hat.
3
What vulnerability is addressed by RHSA-2022:4809?
RHSA-2022:4809 addresses a buffer overflow vulnerability in the IPsec ESP transformation code, identified as CVE-2022-27666.
4
Which systems are affected by RHSA-2022:4809?
RHSA-2022:4809 affects Red Hat Enterprise Linux 8 systems using specific versions of the kpatch-patch package.
5
Do I need to reboot after applying RHSA-2022:4809?
Rebooting may be required after applying RHSA-2022:4809 to ensure the kernel live patches take effect properly.