RHSA-2021:4597: Important: kpatch-patch security update

Published Nov 10, 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 drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385) 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

70 affected componentsFixes available
redhat/kpatch-patch<4_18_0-147_34_1-1-12.el8_1
4_18_0-147_34_1-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-1-11.el8_1
4_18_0-147_38_1-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-1-9.el8_1
4_18_0-147_43_1-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-1-8.el8_1
4_18_0-147_44_1-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-1-5.el8_1
4_18_0-147_48_1-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-1-4.el8_1
4_18_0-147_51_1-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-1-3.el8_1
4_18_0-147_51_2-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-1-2.el8_1
4_18_0-147_52_1-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-1-1.el8_1
4_18_0-147_54_2-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-1-1.el8_1
4_18_0-147_56_1-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-1-12.el8_1
4_18_0-147_34_1-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debuginfo-1-12.el8_1
4_18_0-147_34_1-debuginfo-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debugsource-1-12.el8_1
4_18_0-147_34_1-debugsource-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-1-11.el8_1
4_18_0-147_38_1-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debuginfo-1-11.el8_1
4_18_0-147_38_1-debuginfo-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debugsource-1-11.el8_1
4_18_0-147_38_1-debugsource-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-1-9.el8_1
4_18_0-147_43_1-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-debuginfo-1-9.el8_1
4_18_0-147_43_1-debuginfo-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-debugsource-1-9.el8_1
4_18_0-147_43_1-debugsource-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-1-8.el8_1
4_18_0-147_44_1-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-debuginfo-1-8.el8_1
4_18_0-147_44_1-debuginfo-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-debugsource-1-8.el8_1
4_18_0-147_44_1-debugsource-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-1-5.el8_1
4_18_0-147_48_1-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-debuginfo-1-5.el8_1
4_18_0-147_48_1-debuginfo-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-debugsource-1-5.el8_1
4_18_0-147_48_1-debugsource-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-1-4.el8_1
4_18_0-147_51_1-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-debuginfo-1-4.el8_1
4_18_0-147_51_1-debuginfo-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-debugsource-1-4.el8_1
4_18_0-147_51_1-debugsource-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-1-3.el8_1
4_18_0-147_51_2-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-debuginfo-1-3.el8_1
4_18_0-147_51_2-debuginfo-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-debugsource-1-3.el8_1
4_18_0-147_51_2-debugsource-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-1-2.el8_1
4_18_0-147_52_1-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-debuginfo-1-2.el8_1
4_18_0-147_52_1-debuginfo-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-debugsource-1-2.el8_1
4_18_0-147_52_1-debugsource-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-1-1.el8_1
4_18_0-147_54_2-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-debuginfo-1-1.el8_1
4_18_0-147_54_2-debuginfo-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-debugsource-1-1.el8_1
4_18_0-147_54_2-debugsource-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-1-1.el8_1
4_18_0-147_56_1-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-debuginfo-1-1.el8_1
4_18_0-147_56_1-debuginfo-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-debugsource-1-1.el8_1
4_18_0-147_56_1-debugsource-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-1-12.el8_1
4_18_0-147_34_1-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debuginfo-1-12.el8_1
4_18_0-147_34_1-debuginfo-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debugsource-1-12.el8_1
4_18_0-147_34_1-debugsource-1-12.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-1-11.el8_1
4_18_0-147_38_1-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debuginfo-1-11.el8_1
4_18_0-147_38_1-debuginfo-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debugsource-1-11.el8_1
4_18_0-147_38_1-debugsource-1-11.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-1-9.el8_1
4_18_0-147_43_1-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-debuginfo-1-9.el8_1
4_18_0-147_43_1-debuginfo-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_43_1-debugsource-1-9.el8_1
4_18_0-147_43_1-debugsource-1-9.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-1-8.el8_1
4_18_0-147_44_1-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-debuginfo-1-8.el8_1
4_18_0-147_44_1-debuginfo-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_44_1-debugsource-1-8.el8_1
4_18_0-147_44_1-debugsource-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-1-5.el8_1
4_18_0-147_48_1-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-debuginfo-1-5.el8_1
4_18_0-147_48_1-debuginfo-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_48_1-debugsource-1-5.el8_1
4_18_0-147_48_1-debugsource-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-1-4.el8_1
4_18_0-147_51_1-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-debuginfo-1-4.el8_1
4_18_0-147_51_1-debuginfo-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_1-debugsource-1-4.el8_1
4_18_0-147_51_1-debugsource-1-4.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-1-3.el8_1
4_18_0-147_51_2-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-debuginfo-1-3.el8_1
4_18_0-147_51_2-debuginfo-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_51_2-debugsource-1-3.el8_1
4_18_0-147_51_2-debugsource-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-1-2.el8_1
4_18_0-147_52_1-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-debuginfo-1-2.el8_1
4_18_0-147_52_1-debuginfo-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_52_1-debugsource-1-2.el8_1
4_18_0-147_52_1-debugsource-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-1-1.el8_1
4_18_0-147_54_2-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-debuginfo-1-1.el8_1
4_18_0-147_54_2-debuginfo-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_54_2-debugsource-1-1.el8_1
4_18_0-147_54_2-debugsource-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-1-1.el8_1
4_18_0-147_56_1-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-debuginfo-1-1.el8_1
4_18_0-147_56_1-debuginfo-1-1.el8_1
redhat/kpatch-patch<4_18_0-147_56_1-debugsource-1-1.el8_1
4_18_0-147_56_1-debugsource-1-1.el8_1

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_0-147_34_1-1-12.el8_1
  2. Upgrade

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

    Fixed in 4_18_0-147_38_1-1-11.el8_1
  3. Upgrade

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

    Fixed in 4_18_0-147_43_1-1-9.el8_1
  4. Upgrade

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

    Fixed in 4_18_0-147_44_1-1-8.el8_1
  5. Upgrade

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

    Fixed in 4_18_0-147_48_1-1-5.el8_1
  6. Upgrade

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

    Fixed in 4_18_0-147_51_1-1-4.el8_1
  7. Upgrade

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

    Fixed in 4_18_0-147_51_2-1-3.el8_1
  8. Upgrade

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

    Fixed in 4_18_0-147_52_1-1-2.el8_1
  9. Upgrade

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

    Fixed in 4_18_0-147_54_2-1-1.el8_1
  10. Upgrade

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

    Fixed in 4_18_0-147_56_1-1-1.el8_1
  11. Upgrade

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

    Fixed in 4_18_0-147_34_1-debuginfo-1-12.el8_1
  12. Upgrade

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

    Fixed in 4_18_0-147_34_1-debugsource-1-12.el8_1
  13. Upgrade

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

    Fixed in 4_18_0-147_38_1-debuginfo-1-11.el8_1
  14. Upgrade

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

    Fixed in 4_18_0-147_38_1-debugsource-1-11.el8_1
  15. Upgrade

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

    Fixed in 4_18_0-147_43_1-debuginfo-1-9.el8_1
  16. Upgrade

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

    Fixed in 4_18_0-147_43_1-debugsource-1-9.el8_1
  17. Upgrade

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

    Fixed in 4_18_0-147_44_1-debuginfo-1-8.el8_1
  18. Upgrade

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

    Fixed in 4_18_0-147_44_1-debugsource-1-8.el8_1
  19. Upgrade

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

    Fixed in 4_18_0-147_48_1-debuginfo-1-5.el8_1
  20. Upgrade

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

    Fixed in 4_18_0-147_48_1-debugsource-1-5.el8_1
  21. Upgrade

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

    Fixed in 4_18_0-147_51_1-debuginfo-1-4.el8_1
  22. Upgrade

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

    Fixed in 4_18_0-147_51_1-debugsource-1-4.el8_1
  23. Upgrade

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

    Fixed in 4_18_0-147_51_2-debuginfo-1-3.el8_1
  24. Upgrade

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

    Fixed in 4_18_0-147_51_2-debugsource-1-3.el8_1
  25. Upgrade

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

    Fixed in 4_18_0-147_52_1-debuginfo-1-2.el8_1
  26. Upgrade

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

    Fixed in 4_18_0-147_52_1-debugsource-1-2.el8_1
  27. Upgrade

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

    Fixed in 4_18_0-147_54_2-debuginfo-1-1.el8_1
  28. Upgrade

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

    Fixed in 4_18_0-147_54_2-debugsource-1-1.el8_1
  29. Upgrade

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

    Fixed in 4_18_0-147_56_1-debuginfo-1-1.el8_1
  30. Upgrade

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

    Fixed in 4_18_0-147_56_1-debugsource-1-1.el8_1
  31. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_56_1-1-1.el8_1Patch kpatch-patch-4_18_0-147_56_1-1-1.el8_1
  32. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_54_2-1-1.el8_1Patch kpatch-patch-4_18_0-147_54_2-1-1.el8_1
  33. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_52_1-1-2.el8_1Patch kpatch-patch-4_18_0-147_52_1-1-2.el8_1
  34. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_51_2-1-3.el8_1Patch kpatch-patch-4_18_0-147_51_2-1-3.el8_1
  35. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_51_1-1-4.el8_1Patch kpatch-patch-4_18_0-147_51_1-1-4.el8_1
  36. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_48_1-1-5.el8_1Patch kpatch-patch-4_18_0-147_48_1-1-5.el8_1
  37. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_44_1-1-8.el8_1Patch kpatch-patch-4_18_0-147_44_1-1-8.el8_1
  38. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_43_1-1-9.el8_1Patch kpatch-patch-4_18_0-147_43_1-1-9.el8_1
  39. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_38_1-1-11.el8_1Patch kpatch-patch-4_18_0-147_38_1-1-11.el8_1
  40. Upgrade

    Upgrade kpatch-patch-4_18_0 to a version that resolves this vulnerability.

    Fixed in 4_18_0-147_34_1-1-12.el8_1Patch kpatch-patch-4_18_0-147_34_1-1-12.el8_1

Event History

Jul 26, 2026
Advisory Published
via Red Hat·07:27 PM
Data Sourced
via Red Hat·07:27 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2021:4597?

The severity of RHSA-2021:4597 is classified as important.

2

How do I fix RHSA-2021:4597?

To fix RHSA-2021:4597, apply the latest kpatch-patch update for your affected system.

3

What is the vulnerability addressed in RHSA-2021:4597?

RHSA-2021:4597 addresses a use-after-free vulnerability in the Infiniband core driver.

4

Which versions of kpatch-patch are affected by RHSA-2021:4597?

Versions of kpatch-patch prior to the specified updates are affected by RHSA-2021:4597.

5

What are the consequences of not addressing RHSA-2021:4597?

Failure to address RHSA-2021:4597 may lead to system instability or potential exploitation of the use-after-free vulnerability.

Company

Resources

Contact

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