Skip to content
OpenAdvisories
High RHSA-2026:22334 5 CVEs

Red Hat Security Advisory: kernel security update

Published Jun 2, 2026 · Updated Oct 17, 2026

Ecosystem: Red Hat

Fixed packages 91

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-devel-matched 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-devel-matched 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-abi-stablelists 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-devel-matched 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-uki-virt 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-aarch64 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-ppc64le 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-s390x 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-x86_64 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-devel-matched 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-doc 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-kvm 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-kvm 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-libs 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-libs-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-uki-virt 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-uki-virt-addons 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-devel 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-devel-matched 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules-core 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules-extra 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libperf 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libperf-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 perf 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 perf-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-perf 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-perf-debuginfo 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rtla 0:6.12.0-55.76.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rv 0:6.12.0-55.76.1.el10_0

Vulnerabilities 5

  • High 7.8
    CVE-2026-31419

    net: bonding: fix use-after-free in bond_xmit_broadcast()

    In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bond_xmit_broadcast() bond_xmit_broadcast() reuses the original skb for the last slave (determined by bond_is_last_slave()) and clones it for others. Concu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2024-56547

    rcu/nocb: Fix missed RCU barrier on deoffloading

    In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torture_type=rcu fwd_progress=8 n_barrier_cbs=8 nocbs_nthreads=8 nocbs_toggle=100 onoff_interval=60 te…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-39766

    net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit The following setup can trigger a WARNING in htb_activate due to the condition: !cl->leaf.q->q.qlen tc qdisc del dev lo …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-23210

    ice: Fix PTP NULL pointer dereference during VSI rebuild

    In the Linux kernel, the following vulnerability has been resolved: ice: Fix PTP NULL pointer dereference during VSI rebuild Fix race condition where PTP periodic work runs while VSI is being rebuilt, accessing NULL vsi->rx_rings. The sequence was: 1. ice_ptp…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-43163

    md/bitmap: fix GPF in write_page caused by resize race

    In the Linux kernel, the following vulnerability has been resolved: md/bitmap: fix GPF in write_page caused by resize race A General Protection Fault occurs in write_page() during array resize: RIP: 0010:write_page+0x22b/0x3c0 [md_mod] This is a use-after-fre…

    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=2334521
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2394648
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2439895
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2457829
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2467059
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22334.json
  • report
    https://access.redhat.com/security/cve/CVE-2024-56547
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2024-56547
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2024-56547
  • article
    https://lore.kernel.org/linux-cve-announce/2024122729-CVE-2024-56547-c340@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39766
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39766
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39766
  • article
    https://lore.kernel.org/linux-cve-announce/2025091144-CVE-2025-39766-7465@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-23210
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-23210
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-23210
  • article
    https://lore.kernel.org/linux-cve-announce/2026021439-CVE-2026-23210-7cac@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-31419
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-31419
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-31419
  • article
    https://lore.kernel.org/linux-cve-announce/2026041353-CVE-2026-31419-e176@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-43163
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43163
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43163
  • article
    https://lore.kernel.org/linux-cve-announce/2026050632-CVE-2026-43163-86e1@gregkh/T