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Critical RHSA-2026:28740 1 CVE

Red Hat Security Advisory: kpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update

Published Jun 24, 2026 · Updated Oct 9, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_116_1 0:1-1.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_116_1-debuginfo 0:1-1.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_116_1-debugsource 0:1-1.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_17_1 0:1-16.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_17_1-debuginfo 0:1-16.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_17_1-debugsource 0:1-16.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_39_1 0:1-7.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_39_1-debuginfo 0:1-7.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_39_1-debugsource 0:1-7.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_66_1 0:1-6.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_66_1-debuginfo 0:1-6.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_66_1-debugsource 0:1-6.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_94_1 0:1-4.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_94_1-debuginfo 0:1-4.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_94_1-debugsource 0:1-4.el9_6

Vulnerabilities 1

  • Critical 9.8
    CVE-2026-43037

    ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

    In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() Oskar Kjos reported the following problem. ip4ip6_err() calls icmp_send() on a cloned skb whose cb[] was written by the IPv6 receive path as struc…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#critical
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2464351
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_28740.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-43037
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43037
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43037
  • article
    https://lore.kernel.org/linux-cve-announce/2026050102-CVE-2026-43037-0346@gregkh/T