RHSA-2026:28750: Critical: kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, and kpatch-patch-5_14_0-284_172_1 security update

Published Jun 24, 2026
·
Updated

Critical: kpatch-patch-5140-2841171, kpatch-patch-5140-2841341, kpatch-patch-5140-2841481, kpatch-patch-5140-2841581, and kpatch-patch-5140-2841721 security update

Other sources

This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-5.14.0-284.117.1.el92.Security Fix(es): kernel: ip6tunnel: clear skb2->cb[] in ip4ip6err() (CVE-2026-43037) 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.

Red Hat

Affected Software

40 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server - AUS
redhat/kpatch-patch<5_14_0-284_117_1-1-14.el9_2
5_14_0-284_117_1-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-1-8.el9_2
5_14_0-284_134_1-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-1-6.el9_2
5_14_0-284_148_1-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-1-4.el9_2
5_14_0-284_158_1-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-1-1.el9_2
5_14_0-284_172_1-1-1.el9_2
redhat/kpatch-patch<5_14_0-284_117_1-1-14.el9_2
5_14_0-284_117_1-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_117_1-debuginfo-1-14.el9_2
5_14_0-284_117_1-debuginfo-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_117_1-debugsource-1-14.el9_2
5_14_0-284_117_1-debugsource-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-1-8.el9_2
5_14_0-284_134_1-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-debuginfo-1-8.el9_2
5_14_0-284_134_1-debuginfo-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-debugsource-1-8.el9_2
5_14_0-284_134_1-debugsource-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-1-6.el9_2
5_14_0-284_148_1-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-debuginfo-1-6.el9_2
5_14_0-284_148_1-debuginfo-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-debugsource-1-6.el9_2
5_14_0-284_148_1-debugsource-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-1-4.el9_2
5_14_0-284_158_1-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-debuginfo-1-4.el9_2
5_14_0-284_158_1-debuginfo-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-debugsource-1-4.el9_2
5_14_0-284_158_1-debugsource-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-1-1.el9_2
5_14_0-284_172_1-1-1.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-debuginfo-1-1.el9_2
5_14_0-284_172_1-debuginfo-1-1.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-debugsource-1-1.el9_2
5_14_0-284_172_1-debugsource-1-1.el9_2
redhat/kpatch-patch<5_14_0-284_117_1-1-14.el9_2
5_14_0-284_117_1-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_117_1-debuginfo-1-14.el9_2
5_14_0-284_117_1-debuginfo-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_117_1-debugsource-1-14.el9_2
5_14_0-284_117_1-debugsource-1-14.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-1-8.el9_2
5_14_0-284_134_1-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-debuginfo-1-8.el9_2
5_14_0-284_134_1-debuginfo-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_134_1-debugsource-1-8.el9_2
5_14_0-284_134_1-debugsource-1-8.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-1-6.el9_2
5_14_0-284_148_1-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-debuginfo-1-6.el9_2
5_14_0-284_148_1-debuginfo-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_148_1-debugsource-1-6.el9_2
5_14_0-284_148_1-debugsource-1-6.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-1-4.el9_2
5_14_0-284_158_1-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-debuginfo-1-4.el9_2
5_14_0-284_158_1-debuginfo-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_158_1-debugsource-1-4.el9_2
5_14_0-284_158_1-debugsource-1-4.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-1-1.el9_2
5_14_0-284_172_1-1-1.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-debuginfo-1-1.el9_2
5_14_0-284_172_1-debuginfo-1-1.el9_2
redhat/kpatch-patch<5_14_0-284_172_1-debugsource-1-1.el9_2
5_14_0-284_172_1-debugsource-1-1.el9_2

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 5_14_0-284_117_1-1-14.el9_2
  2. Upgrade

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

    Fixed in 5_14_0-284_134_1-1-8.el9_2
  3. Upgrade

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

    Fixed in 5_14_0-284_148_1-1-6.el9_2
  4. Upgrade

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

    Fixed in 5_14_0-284_158_1-1-4.el9_2
  5. Upgrade

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

    Fixed in 5_14_0-284_172_1-1-1.el9_2
  6. Upgrade

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

    Fixed in 5_14_0-284_117_1-debuginfo-1-14.el9_2
  7. Upgrade

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

    Fixed in 5_14_0-284_117_1-debugsource-1-14.el9_2
  8. Upgrade

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

    Fixed in 5_14_0-284_134_1-debuginfo-1-8.el9_2
  9. Upgrade

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

    Fixed in 5_14_0-284_134_1-debugsource-1-8.el9_2
  10. Upgrade

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

    Fixed in 5_14_0-284_148_1-debuginfo-1-6.el9_2
  11. Upgrade

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

    Fixed in 5_14_0-284_148_1-debugsource-1-6.el9_2
  12. Upgrade

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

    Fixed in 5_14_0-284_158_1-debuginfo-1-4.el9_2
  13. Upgrade

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

    Fixed in 5_14_0-284_158_1-debugsource-1-4.el9_2
  14. Upgrade

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

    Fixed in 5_14_0-284_172_1-debuginfo-1-1.el9_2
  15. Upgrade

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

    Fixed in 5_14_0-284_172_1-debugsource-1-1.el9_2

Event History

Jun 24, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·03:56 AM
Data Sourced
via Red Hat·03:56 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:28750?

The severity of RHSA-2026:28750 is classified as critical with a score of 9.

2

How do I fix RHSA-2026:28750?

To fix RHSA-2026:28750, apply the latest kpatch-patch updates provided by Red Hat.

3

What software is affected by RHSA-2026:28750?

RHSA-2026:28750 affects various Red Hat Enterprise Linux versions, including x86_64 and Power architectures.

4

When was RHSA-2026:28750 published?

RHSA-2026:28750 was published on June 24, 2026.

5

What type of vulnerability is addressed in RHSA-2026:28750?

RHSA-2026:28750 addresses a kernel live patch module vulnerability that can modify the running code of the kernel.

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