Red Hat Security Advisory: kernel security update

Fixed packages 52

Vulnerabilities 2

• Critical 9.8
  CVE-2026-64530

  net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle

  In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle tcf_classify() can return TC_ACT_CONSUMED while the skb is held by the defragmentation engine (e.g. act_ct on out-of-order frag…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 26, 2026
• Critical 9.8
  CVE-2026-74480

  net: bridge: stop fast-leave after deleting a port group

  In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group br_multicast_leave_group() iterates mp->ports with pp = &p->next in its fast-leave path. After br_multicast_del_pg() removes p, contin…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Aug 15, 2026

References

• article
  https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_nvidia/26.01/html/26.01_release_notes/index
• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2504052
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2517046
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67277.json
• report
  https://access.redhat.com/security/cve/CVE-2026-64530
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-64530
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-64530
• article
  https://lore.kernel.org/linux-cve-announce/2026072624-CVE-2026-64530-52e9@gregkh/T/#u
• report
  https://access.redhat.com/security/cve/CVE-2026-74480
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-74480
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-74480
• article
  https://lore.kernel.org/linux-cve-announce/2026081536-CVE-2026-74480-e620@gregkh/T