RHSA-2026:98047: Important: kernel security update

Published Nov 11, 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: netfilter: nfqueue: hold bridge skb->dev while queued (CVE-2026-52912) kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers (CVE-2026-53254) kernel: net: ipgre: require CAPNETADMIN in the device netns for changelink (CVE-2026-63829) kernel: scsi: scsitransportfc: Widen FPIN pname walker counter to u32 (CVE-2026-63889) kernel: tunnels: do not assume transport header in iptunnelpmtudcheckicmp() (CVE-2026-63992) kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CVE-2026-63913) kernel: tunnels: load network headers after skbcow() in iptunnelpmtudbuildicmpv6 (CVE-2026-63994) kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320) kernel: nvmet-tcp: check INITFAILED before nvmetrequninit in digest error path (CVE-2026-64534) kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159) kernel: Linux kernel: libceph null pointer dereference leads to denial of service (CVE-2026-68157) kernel: libceph: refresh auth->authorizerbuf{,len} after authorizer update (CVE-2026-68156) kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155) kernel: vxlan: require CAPNETADMIN in the device netns for changelink (CVE-2026-68432) kernel: ipvs: reload ip header after head reallocation (CVE-2026-68476) kernel: net: ip6gre: require CAPNETADMIN in the device netns for changelink (CVE-2026-72052) kernel: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst (CVE-2026-72255) kernel: netfilter: nfconntracksip: widen NAT rewrite delta to s32 in siphelptcp() (CVE-2026-74569) kernel: ipvs: clear IPv4 options after rebasing tunnel ICMP errors (CVE-2026-74669) kernel: ipvs: do not propagate one-packet flag to synced conns (CVE-2026-80714) kernel: nvme-tcp: fix host memory disclosure on R2T for a read command (CVE-2026-89481) kernel: netfilter: nfconntrack: use getunalignedbe32() in tcpsack() (CVE-2026-97417) 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

157 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
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 for IBM z Systems - Extended Life Cycle
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Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 7.3.0-427.162.1.el9_4
  2. Upgrade

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

    Fixed in 7.3.0-427.162.1.el9_4
  3. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  4. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  5. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  6. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  7. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  8. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  9. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  10. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  11. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  12. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  13. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  14. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  15. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  16. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  17. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  18. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  19. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  20. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  21. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  22. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  23. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  24. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  25. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  26. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  27. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  28. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  29. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  30. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  31. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  32. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  33. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  34. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  35. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  36. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  37. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  38. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  39. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  40. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  41. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  42. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  43. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  44. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  45. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  46. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  47. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  48. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  49. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  50. Upgrade

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

    Fixed in 7.3.0-427.162.1.el9_4.aa
  51. Upgrade

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

    Fixed in 7.3.0-427.162.1.el9_4.aa
  52. Upgrade

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

    Fixed in 64k-debug-debuginfo-5.14.0-427.162.1.el9_4.aa
  53. Upgrade

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

    Fixed in 64k-debug-devel-5.14.0-427.162.1.el9_4.aa
  54. Upgrade

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

    Fixed in 64k-debug-devel-matched-5.14.0-427.162.1.el9_4.aa
  55. Upgrade

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

    Fixed in 64k-debuginfo-5.14.0-427.162.1.el9_4.aa
  56. Upgrade

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

    Fixed in 64k-devel-5.14.0-427.162.1.el9_4.aa
  57. Upgrade

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

    Fixed in 64k-devel-matched-5.14.0-427.162.1.el9_4.aa
  58. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  59. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  60. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  61. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  62. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  63. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  64. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  65. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  66. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  67. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  68. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  69. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  70. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  71. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  72. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  73. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  74. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  75. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  76. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  77. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  78. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  79. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  80. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  81. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  82. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  83. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  84. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  85. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4.aa
  86. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  87. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  88. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  89. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  90. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  91. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  92. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  93. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  94. Upgrade

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

    Fixed in 5.14.0-427.162.1.el9_4
  95. Operational

    Reboot the system after applying the kernel security update for the changes to take effect.

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·12:10 AM
Data Sourced
via Red Hat·12:10 AM
Severity

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