RHSA-2026:59544: Moderate: kernel security, bug fix, and enhancement update

Published Aug 25, 2026
·
Updated

Moderate: kernel security, bug fix, and enhancement update

Other sources

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016) Bug Fix(es) and Enhancement(s): [RHEL 9] Bonding reports unknown speed/duplex for tg3 interface [rhel-9.4.z] (JIRA:RHEL-182766) vhost: reset the vring metadata cache on vring reconfiguration [rhel-9.4.z] (JIRA:RHEL-224547) 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

173 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
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 for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server - AUS
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Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  2. Upgrade

    Upgrade redhat/bpftool to a version that resolves this vulnerability.

    Fixed in 7.3.0-427.146.1.el9_4
  3. Upgrade

    Upgrade redhat/bpftool-debuginfo to a version that resolves this vulnerability.

    Fixed in 7.3.0-427.146.1.el9_4
  4. Upgrade

    Upgrade redhat/kernel-abi-stablelists to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  5. Upgrade

    Upgrade redhat/kernel-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  6. Upgrade

    Upgrade redhat/kernel-debug to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  7. Upgrade

    Upgrade redhat/kernel-debug-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  8. Upgrade

    Upgrade redhat/kernel-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  9. Upgrade

    Upgrade redhat/kernel-debug-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  10. Upgrade

    Upgrade redhat/kernel-debug-devel-matched to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  11. Upgrade

    Upgrade redhat/kernel-debug-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  12. Upgrade

    Upgrade redhat/kernel-debug-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  13. Upgrade

    Upgrade redhat/kernel-debug-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  14. Upgrade

    Upgrade redhat/kernel-debug-uki-virt to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  15. Upgrade

    Upgrade redhat/kernel-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  16. Upgrade

    Upgrade redhat/kernel-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  17. Upgrade

    Upgrade redhat/kernel-devel-matched to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  18. Upgrade

    Upgrade redhat/kernel-doc to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  19. Upgrade

    Upgrade redhat/kernel-headers to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  20. Upgrade

    Upgrade redhat/kernel-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  21. Upgrade

    Upgrade redhat/kernel-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  22. Upgrade

    Upgrade redhat/kernel-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  23. Upgrade

    Upgrade redhat/kernel-rt-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  24. Upgrade

    Upgrade redhat/kernel-rt-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  25. Upgrade

    Upgrade redhat/kernel-tools to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  26. Upgrade

    Upgrade redhat/kernel-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  27. Upgrade

    Upgrade redhat/kernel-tools-libs to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  28. Upgrade

    Upgrade redhat/kernel-uki-virt to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  29. Upgrade

    Upgrade redhat/libperf-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  30. Upgrade

    Upgrade redhat/perf to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  31. Upgrade

    Upgrade redhat/perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  32. Upgrade

    Upgrade redhat/python3-perf to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  33. Upgrade

    Upgrade redhat/python3-perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  34. Upgrade

    Upgrade redhat/rtla to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  35. Upgrade

    Upgrade redhat/rv to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  36. Upgrade

    Upgrade redhat/kernel-debuginfo-common-ppc64le to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  37. Upgrade

    Upgrade redhat/kernel-rt to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  38. Upgrade

    Upgrade redhat/kernel-rt-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  39. Upgrade

    Upgrade redhat/kernel-rt-debug to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  40. Upgrade

    Upgrade redhat/kernel-rt-debug-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  41. Upgrade

    Upgrade redhat/kernel-rt-debug-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  42. Upgrade

    Upgrade redhat/kernel-rt-debug-kvm to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  43. Upgrade

    Upgrade redhat/kernel-rt-debug-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  44. Upgrade

    Upgrade redhat/kernel-rt-debug-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  45. Upgrade

    Upgrade redhat/kernel-rt-debug-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  46. Upgrade

    Upgrade redhat/kernel-rt-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  47. Upgrade

    Upgrade redhat/kernel-rt-kvm to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  48. Upgrade

    Upgrade redhat/kernel-rt-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  49. Upgrade

    Upgrade redhat/kernel-rt-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  50. Upgrade

    Upgrade redhat/kernel-rt-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  51. Upgrade

    Upgrade redhat/bpftool to a version that resolves this vulnerability.

    Fixed in 7.3.0-427.146.1.el9_4.aa
  52. Upgrade

    Upgrade redhat/bpftool-debuginfo to a version that resolves this vulnerability.

    Fixed in 7.3.0-427.146.1.el9_4.aa
  53. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  54. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-5.14.0-427.146.1.el9_4.aa
  55. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-core-5.14.0-427.146.1.el9_4.aa
  56. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-5.14.0-427.146.1.el9_4.aa
  57. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-core-5.14.0-427.146.1.el9_4.aa
  58. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-debuginfo-5.14.0-427.146.1.el9_4.aa
  59. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-devel-5.14.0-427.146.1.el9_4.aa
  60. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-devel-matched-5.14.0-427.146.1.el9_4.aa
  61. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-modules-5.14.0-427.146.1.el9_4.aa
  62. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-modules-core-5.14.0-427.146.1.el9_4.aa
  63. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debug-modules-extra-5.14.0-427.146.1.el9_4.aa
  64. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-debuginfo-5.14.0-427.146.1.el9_4.aa
  65. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-devel-5.14.0-427.146.1.el9_4.aa
  66. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-devel-matched-5.14.0-427.146.1.el9_4.aa
  67. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-modules-5.14.0-427.146.1.el9_4.aa
  68. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-modules-core-5.14.0-427.146.1.el9_4.aa
  69. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 64k-modules-extra-5.14.0-427.146.1.el9_4.aa
  70. Upgrade

    Upgrade redhat/kernel-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  71. Upgrade

    Upgrade redhat/kernel-debug to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  72. Upgrade

    Upgrade redhat/kernel-debug-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  73. Upgrade

    Upgrade redhat/kernel-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  74. Upgrade

    Upgrade redhat/kernel-debug-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  75. Upgrade

    Upgrade redhat/kernel-debug-devel-matched to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  76. Upgrade

    Upgrade redhat/kernel-debug-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  77. Upgrade

    Upgrade redhat/kernel-debug-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  78. Upgrade

    Upgrade redhat/kernel-debug-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  79. Upgrade

    Upgrade redhat/kernel-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  80. Upgrade

    Upgrade redhat/kernel-debuginfo-common-aarch64 to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  81. Upgrade

    Upgrade redhat/kernel-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  82. Upgrade

    Upgrade redhat/kernel-devel-matched to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  83. Upgrade

    Upgrade redhat/kernel-headers to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  84. Upgrade

    Upgrade redhat/kernel-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  85. Upgrade

    Upgrade redhat/kernel-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  86. Upgrade

    Upgrade redhat/kernel-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  87. Upgrade

    Upgrade redhat/kernel-rt-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  88. Upgrade

    Upgrade redhat/kernel-rt-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  89. Upgrade

    Upgrade redhat/kernel-tools to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  90. Upgrade

    Upgrade redhat/kernel-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  91. Upgrade

    Upgrade redhat/kernel-tools-libs to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  92. Upgrade

    Upgrade redhat/libperf-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  93. Upgrade

    Upgrade redhat/perf to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  94. Upgrade

    Upgrade redhat/perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  95. Upgrade

    Upgrade redhat/python3-perf to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  96. Upgrade

    Upgrade redhat/python3-perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  97. Upgrade

    Upgrade redhat/rtla to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  98. Upgrade

    Upgrade redhat/rv to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4.aa
  99. Upgrade

    Upgrade redhat/kernel-debuginfo-common-s390x to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  100. Upgrade

    Upgrade redhat/kernel-zfcpdump to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  101. Upgrade

    Upgrade redhat/kernel-zfcpdump-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  102. Upgrade

    Upgrade redhat/kernel-zfcpdump-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  103. Upgrade

    Upgrade redhat/kernel-zfcpdump-devel to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  104. Upgrade

    Upgrade redhat/kernel-zfcpdump-devel-matched to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  105. Upgrade

    Upgrade redhat/kernel-zfcpdump-modules to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  106. Upgrade

    Upgrade redhat/kernel-zfcpdump-modules-core to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  107. Upgrade

    Upgrade redhat/kernel-zfcpdump-modules-extra to a version that resolves this vulnerability.

    Fixed in 5.14.0-427.146.1.el9_4
  108. Upgrade

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

    Fixed in rhel-9.4.zPatch JIRA:RHEL-224547
  109. Upgrade

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

    Fixed in rhel-9.4.zPatch JIRA:RHEL-182766
  110. Upgrade

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

    Fixed in rhel-9.4.z
  111. Compensating control

    Reboot the system after applying this kernel update so the changes take effect.

Event History

Aug 25, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·04:27 PM
Data Sourced
via Red Hat·04:27 PM
Severity

Frequently Asked Questions

1

Which systems should be prioritized for this update?

Systems running the affected Red Hat kernel packages should be prioritized, particularly where the kernel crypto CCP component is in use. The advisory also includes kernel-core, kernel-debug, kernel-debug-core, kernel-debug-devel, bpftool, and bpftool-debuginfo packages.

2

What non-security fixes are included in this update?

The update fixes a RHEL 9.4.z bonding issue that can report unknown speed or duplex for tg3 interfaces. It also resets the vhost vring metadata cache when vring reconfiguration occurs.

Company

Resources

Contact

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