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

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_10_2-1-10.el8_4
  2. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_12_1-1-9.el8_4
  3. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_17_1-1-8.el8_4
  4. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_19_1-1-8.el8_4
  5. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_25_1-1-7.el8_4
  6. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_28_1-1-5.el8_4
  7. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_30_1-1-5.el8_4
  8. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_34_2-1-3.el8_4
  9. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_3_1-1-12.el8_4
  10. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_40_1-1-2.el8_4
  11. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_40_2-1-2.el8_4
  12. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_45_1-1-1.el8_4
  13. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_7_1-1-11.el8_4
  14. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_10_2-debuginfo-1-10.el8_4
  15. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_10_2-debugsource-1-10.el8_4
  16. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_12_1-debuginfo-1-9.el8_4
  17. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_12_1-debugsource-1-9.el8_4
  18. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_17_1-debuginfo-1-8.el8_4
  19. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_17_1-debugsource-1-8.el8_4
  20. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_19_1-debuginfo-1-8.el8_4
  21. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_19_1-debugsource-1-8.el8_4
  22. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_25_1-debuginfo-1-7.el8_4
  23. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_25_1-debugsource-1-7.el8_4
  24. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_28_1-debuginfo-1-5.el8_4
  25. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_28_1-debugsource-1-5.el8_4
  26. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_30_1-debuginfo-1-5.el8_4
  27. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_30_1-debugsource-1-5.el8_4
  28. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_34_2-debuginfo-1-3.el8_4
  29. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_34_2-debugsource-1-3.el8_4
  30. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_3_1-debuginfo-1-12.el8_4
  31. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_3_1-debugsource-1-12.el8_4
  32. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_40_1-debuginfo-1-2.el8_4
  33. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_40_1-debugsource-1-2.el8_4
  34. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_40_2-debuginfo-1-2.el8_4
  35. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_40_2-debugsource-1-2.el8_4
  36. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_45_1-debuginfo-1-1.el8_4
  37. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_45_1-debugsource-1-1.el8_4
  38. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_7_1-debuginfo-1-11.el8_4
  39. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 4_18_0-305_7_1-debugsource-1-11.el8_4

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.

Company

Resources

Contact

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