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High RHSA-2026:81450 2 CVEs

Red Hat Security Advisory: 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 Oct 14, 2026 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_107_1 0:1-16.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_107_1-debuginfo 0:1-16.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_107_1-debugsource 0:1-16.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_120_1 0:1-15.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_120_1-debuginfo 0:1-15.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_120_1-debugsource 0:1-15.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_130_1 0:1-13.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_130_1-debuginfo 0:1-13.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_130_1-debugsource 0:1-13.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_143_1 0:1-9.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_143_1-debuginfo 0:1-9.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_143_1-debugsource 0:1-9.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_161_1 0:1-2.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_161_1-debuginfo 0:1-2.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_161_1-debugsource 0:1-2.el8_8

Vulnerabilities 2

  • High 7.8
    CVE-2026-46181

    RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() Sashiko points out the radix_tree itself is RCU safe, but nothing ever frees the mlx4_srq struct with RCU, and it isn't even accessed within …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-64002

    ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()

    In the Linux kernel, the following vulnerability has been resolved: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() ipv4_sysctl_exit_net() is currently freeing net->ipv4.sysctl_local_reserved_ports too soon. Only after unr…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482532
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502363
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_81450.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-46181
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46181
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46181
  • article
    https://lore.kernel.org/linux-cve-announce/2026052829-CVE-2026-46181-ecff@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-64002
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-64002
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-64002
  • article
    https://lore.kernel.org/linux-cve-announce/2026071907-CVE-2026-64002-b8fe@gregkh/T