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OpenAdvisories
Critical RHSA-2026:79778 2 CVEs

Red Hat Security Advisory: kernel security update

Published Oct 10, 2026 · Updated Oct 15, 2026

Fixed packages 48

ReleasePackageFixed in
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos bpftool 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos bpftool-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-abi-stablelists 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-core 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-core 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-devel 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-modules 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debug-modules-extra 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-debuginfo-common-x86_64 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-devel 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-doc 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-modules 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-modules-extra 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-tools 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-tools-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos kernel-tools-libs 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos perf 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos perf-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos python3-perf 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 AUS rhel_aus:8.4::baseos python3-perf-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos bpftool 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos bpftool-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-abi-stablelists 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-core 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-core 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-devel 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-modules 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debug-modules-extra 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-debuginfo-common-x86_64 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-devel 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-doc 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-modules 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-modules-extra 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-tools 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-tools-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos kernel-tools-libs 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos perf 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos perf-debuginfo 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos python3-perf 0:4.18.0-305.213.1.el8_4
Red Hat · RHEL 8.4 EUS Long Life rhel_eus_long_life:8.4::baseos python3-perf-debuginfo 0:4.18.0-305.213.1.el8_4

Vulnerabilities 2

  • Critical 10.0

    udp: fix potential use-after-free in tunnel segmentation

    In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head…

  • Critical 9.8

    nvmet-rdma: handle inline data with a nonzero offset

    In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: handle inline data with a nonzero offset nvmet_rdma_use_inline_sg() maps the host-controlled inline data offset into the per-command inline scatterlist. The bounds check admits an…

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516731
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2521498
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_79778.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-72129
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-72129
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-72129
  • article
    https://lore.kernel.org/linux-cve-announce/2026081530-CVE-2026-72129-841e@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-74705
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-74705
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-74705
  • article
    https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-74705.mbox