RHSA-2026:95601: Important: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_130_1, kpatch-patch-4_18_0-477_143_1, and kpatch-patch-4_18_0-477_161_1 security update

Published Nov 5, 2026
·
Updated

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-4.18.0-477.107.1.el88.Security Fix(es): kernel: ipc: limit nextid allocation to the valid ID range (CVE-2026-52923) kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705) kernel: net: tun: bound receive headroom (CVE-2026-81000) 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

35 affected componentsFixes available
redhat/kpatch-patch<4_18_0-477_107_1-1-18.el8_8
4_18_0-477_107_1-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-1-17.el8_8
4_18_0-477_120_1-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-1-15.el8_8
4_18_0-477_130_1-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-1-11.el8_8
4_18_0-477_143_1-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-1-4.el8_8
4_18_0-477_161_1-1-4.el8_8
redhat/kpatch-patch<4_18_0-477_107_1-1-18.el8_8
4_18_0-477_107_1-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_107_1-debuginfo-1-18.el8_8
4_18_0-477_107_1-debuginfo-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_107_1-debugsource-1-18.el8_8
4_18_0-477_107_1-debugsource-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-1-17.el8_8
4_18_0-477_120_1-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-debuginfo-1-17.el8_8
4_18_0-477_120_1-debuginfo-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-debugsource-1-17.el8_8
4_18_0-477_120_1-debugsource-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-1-15.el8_8
4_18_0-477_130_1-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-debuginfo-1-15.el8_8
4_18_0-477_130_1-debuginfo-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-debugsource-1-15.el8_8
4_18_0-477_130_1-debugsource-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-1-11.el8_8
4_18_0-477_143_1-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-debuginfo-1-11.el8_8
4_18_0-477_143_1-debuginfo-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-debugsource-1-11.el8_8
4_18_0-477_143_1-debugsource-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-1-4.el8_8
4_18_0-477_161_1-1-4.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-debuginfo-1-4.el8_8
4_18_0-477_161_1-debuginfo-1-4.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-debugsource-1-4.el8_8
4_18_0-477_161_1-debugsource-1-4.el8_8
redhat/kpatch-patch<4_18_0-477_107_1-1-18.el8_8
4_18_0-477_107_1-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_107_1-debuginfo-1-18.el8_8
4_18_0-477_107_1-debuginfo-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_107_1-debugsource-1-18.el8_8
4_18_0-477_107_1-debugsource-1-18.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-1-17.el8_8
4_18_0-477_120_1-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-debuginfo-1-17.el8_8
4_18_0-477_120_1-debuginfo-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_120_1-debugsource-1-17.el8_8
4_18_0-477_120_1-debugsource-1-17.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-1-15.el8_8
4_18_0-477_130_1-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-debuginfo-1-15.el8_8
4_18_0-477_130_1-debuginfo-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_130_1-debugsource-1-15.el8_8
4_18_0-477_130_1-debugsource-1-15.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-1-11.el8_8
4_18_0-477_143_1-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-debuginfo-1-11.el8_8
4_18_0-477_143_1-debuginfo-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_143_1-debugsource-1-11.el8_8
4_18_0-477_143_1-debugsource-1-11.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-1-4.el8_8
4_18_0-477_161_1-1-4.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-debuginfo-1-4.el8_8
4_18_0-477_161_1-debuginfo-1-4.el8_8
redhat/kpatch-patch<4_18_0-477_161_1-debugsource-1-4.el8_8
4_18_0-477_161_1-debugsource-1-4.el8_8

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_0-477_107_1-1-18.el8_8
  2. Upgrade

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

    Fixed in 4_18_0-477_120_1-1-17.el8_8
  3. Upgrade

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

    Fixed in 4_18_0-477_130_1-1-15.el8_8
  4. Upgrade

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

    Fixed in 4_18_0-477_143_1-1-11.el8_8
  5. Upgrade

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

    Fixed in 4_18_0-477_161_1-1-4.el8_8
  6. Upgrade

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

    Fixed in 4_18_0-477_107_1-debuginfo-1-18.el8_8
  7. Upgrade

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

    Fixed in 4_18_0-477_107_1-debugsource-1-18.el8_8
  8. Upgrade

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

    Fixed in 4_18_0-477_120_1-debuginfo-1-17.el8_8
  9. Upgrade

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

    Fixed in 4_18_0-477_120_1-debugsource-1-17.el8_8
  10. Upgrade

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

    Fixed in 4_18_0-477_130_1-debuginfo-1-15.el8_8
  11. Upgrade

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

    Fixed in 4_18_0-477_130_1-debugsource-1-15.el8_8
  12. Upgrade

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

    Fixed in 4_18_0-477_143_1-debuginfo-1-11.el8_8
  13. Upgrade

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

    Fixed in 4_18_0-477_143_1-debugsource-1-11.el8_8
  14. Upgrade

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

    Fixed in 4_18_0-477_161_1-debuginfo-1-4.el8_8
  15. Upgrade

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

    Fixed in 4_18_0-477_161_1-debugsource-1-4.el8_8
  16. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch kpatch-patch-4_18_0-477_107_1
  17. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch kpatch-patch-4_18_0-477_120_1
  18. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch kpatch-patch-4_18_0-477_130_1
  19. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch kpatch-patch-4_18_0-477_143_1
  20. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch kpatch-patch-4_18_0-477_161_1

Event History

Nov 5, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

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