RHSA-2026:60486: Important: kernel security update

Published Aug 27, 2026
·
Updated

Important: kernel security update

Other sources

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: packet: use consistent hardheaderlen in non-ring send paths () kernel: net: ipv6: use-after-free in fib6rulesuppress due to stale res->rt6 pointer (CVE-2026-74581) 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

211 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
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 for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
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redhat/kernel-rt-core<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug-core<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug-debuginfo<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug-devel<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug-modules<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug-modules-core<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debug-modules-extra<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-debuginfo<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-devel<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-modules<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-modules-core<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-rt-modules-extra<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-tools<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-tools-debuginfo<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-tools-libs<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/libperf-debuginfo<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/perf<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/perf-debuginfo<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/python3-perf<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/python3-perf-debuginfo<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/rtla<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/rv<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-cross-headers<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/kernel-tools-libs-devel<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/libperf<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/kernel-cross-headers<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/kernel-tools-libs-devel<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/libperf<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/kernel-cross-headers<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/libperf<5.14.0-570.136.1.el9_6
5.14.0-570.136.1.el9_6
redhat/kernel-cross-headers<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/kernel-tools-libs-devel<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa
redhat/libperf<5.14.0-570.136.1.el9_6.aa
5.14.0-570.136.1.el9_6.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  2. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  3. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  4. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  5. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  6. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  7. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  8. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  9. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  10. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  11. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  12. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  13. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  14. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  15. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  16. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  17. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  18. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  19. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  20. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  21. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  22. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  23. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  24. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  25. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  26. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  27. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  28. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  29. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  30. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  31. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  32. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  33. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  34. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  35. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  36. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  37. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  38. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  39. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  40. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  41. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  42. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  43. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  44. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  45. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  46. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  47. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  48. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  49. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  50. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  51. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  52. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  53. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  54. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  55. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  56. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  57. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  58. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  59. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  60. Upgrade

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

    Fixed in 64k-5.14.0-570.136.1.el9_6.aa
  61. Upgrade

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

    Fixed in 64k-core-5.14.0-570.136.1.el9_6.aa
  62. Upgrade

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

    Fixed in 64k-debug-5.14.0-570.136.1.el9_6.aa
  63. Upgrade

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

    Fixed in 64k-debug-core-5.14.0-570.136.1.el9_6.aa
  64. Upgrade

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

    Fixed in 64k-debug-debuginfo-5.14.0-570.136.1.el9_6.aa
  65. Upgrade

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

    Fixed in 64k-debug-devel-5.14.0-570.136.1.el9_6.aa
  66. Upgrade

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

    Fixed in 64k-debug-devel-matched-5.14.0-570.136.1.el9_6.aa
  67. Upgrade

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

    Fixed in 64k-debug-modules-5.14.0-570.136.1.el9_6.aa
  68. Upgrade

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

    Fixed in 64k-debug-modules-core-5.14.0-570.136.1.el9_6.aa
  69. Upgrade

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

    Fixed in 64k-debug-modules-extra-5.14.0-570.136.1.el9_6.aa
  70. Upgrade

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

    Fixed in 64k-debuginfo-5.14.0-570.136.1.el9_6.aa
  71. Upgrade

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

    Fixed in 64k-devel-5.14.0-570.136.1.el9_6.aa
  72. Upgrade

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

    Fixed in 64k-devel-matched-5.14.0-570.136.1.el9_6.aa
  73. Upgrade

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

    Fixed in 64k-modules-5.14.0-570.136.1.el9_6.aa
  74. Upgrade

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

    Fixed in 64k-modules-core-5.14.0-570.136.1.el9_6.aa
  75. Upgrade

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

    Fixed in 64k-modules-extra-5.14.0-570.136.1.el9_6.aa
  76. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  77. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  78. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  79. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  80. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  81. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  82. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  83. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  84. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  85. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  86. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  87. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  88. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  89. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  90. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  91. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  92. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  93. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  94. Upgrade

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

    Fixed in 64k-5.14.0-570.136.1.el9_6.aa
  95. Upgrade

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

    Fixed in 64k-core-5.14.0-570.136.1.el9_6.aa
  96. Upgrade

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

    Fixed in 64k-debug-5.14.0-570.136.1.el9_6.aa
  97. Upgrade

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

    Fixed in 64k-debug-core-5.14.0-570.136.1.el9_6.aa
  98. Upgrade

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

    Fixed in 64k-debug-debuginfo-5.14.0-570.136.1.el9_6.aa
  99. Upgrade

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

    Fixed in 64k-debug-devel-5.14.0-570.136.1.el9_6.aa
  100. Upgrade

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

    Fixed in 64k-debug-modules-5.14.0-570.136.1.el9_6.aa
  101. Upgrade

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

    Fixed in 64k-debug-modules-core-5.14.0-570.136.1.el9_6.aa
  102. Upgrade

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

    Fixed in 64k-debug-modules-extra-5.14.0-570.136.1.el9_6.aa
  103. Upgrade

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

    Fixed in 64k-debuginfo-5.14.0-570.136.1.el9_6.aa
  104. Upgrade

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

    Fixed in 64k-devel-5.14.0-570.136.1.el9_6.aa
  105. Upgrade

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

    Fixed in 64k-modules-5.14.0-570.136.1.el9_6.aa
  106. Upgrade

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

    Fixed in 64k-modules-core-5.14.0-570.136.1.el9_6.aa
  107. Upgrade

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

    Fixed in 64k-modules-extra-5.14.0-570.136.1.el9_6.aa
  108. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  109. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  110. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  111. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  112. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  113. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  114. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  115. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  116. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  117. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  118. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  119. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  120. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  121. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  122. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  123. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  124. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  125. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  126. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  127. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  128. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  129. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  130. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  131. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  132. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  133. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6
  134. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  135. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  136. Upgrade

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

    Fixed in 5.14.0-570.136.1.el9_6.aa
  137. Upgrade

    Upgrade kernel (Red Hat errata updates) to a version that resolves this vulnerability.

    Patch CVE-2026-74581
  138. Upgrade

    Upgrade kernel (Red Hat errata updates) to a version that resolves this vulnerability.

    Patch kernel: packet: use consistent hard_header_len in non-ring send paths ()
  139. Operational

    Reboot the system after applying the Red Hat kernel update so the update takes effect (required per the advisory).

Event History

Aug 27, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:28 AM
Data Sourced
via Red Hat·11:28 AM
Severity

Frequently Asked Questions

1

Which installed packages should be checked when assessing exposure?

Check for the Red Hat kernel package variants listed in the advisory: kernel, kernel-rt, kernel-core, and the kernel-debug package family, including associated debuginfo and devel packages.

2

What vulnerability class is addressed by the identified CVE?

CVE-2026-74581 addresses a use-after-free issue in IPv6 routing rule suppression, caused by a stale res->rt6 pointer in fib6_rule_suppress.

3

Is there enough information here to determine whether a particular system configuration is exploitable?

No. The advisory identifies kernel and IPv6 routing code, but does not state affected versions, required configuration, attack prerequisites, or whether default configurations are vulnerable.

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Contact

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