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OpenAdvisories
Critical RHSA-2025:14009 5 CVEs

Red Hat Security Advisory: kernel security update

Published Aug 19, 2025 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 91

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.0 kernel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-devel-matched 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-devel-matched 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-abi-stablelists 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-devel-matched 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-uki-virt 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-aarch64 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-ppc64le 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-s390x 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-x86_64 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-devel-matched 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-doc 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-kvm 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-kvm 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-libs 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-libs-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-uki-virt 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-uki-virt-addons 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-devel 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-devel-matched 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules-core 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules-extra 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 libperf 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 libperf-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 perf 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 perf-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 python3-perf 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 python3-perf-debuginfo 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 rtla 0:6.12.0-55.28.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 rv 0:6.12.0-55.28.1.el10_0

Vulnerabilities 5

  • Critical 9.8
    CVE-2025-38471

    tls: always refresh the queue when reading sock

    In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old sk…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-21867

    bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

    In the Linux kernel, the following vulnerability has been resolved: bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type() KMSAN reported a use-after-free issue in eth_skb_pkt_type()[1]. The cause of the issue was that eth_skb_pkt_type() accessed skb's…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38250

    Bluetooth: hci_core: Fix use-after-free in vhci_flush()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix use-after-free in vhci_flush() syzbot reported use-after-free in vhci_flush() without repro. [0] From the splat, a thread close()d a vhci file descriptor while its de…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.5
    CVE-2025-38124

    net: fix udp gso skb_segment after pull from frag_list

    In the Linux kernel, the following vulnerability has been resolved: net: fix udp gso skb_segment after pull from frag_list Commit a1e40ac5b5e9 ("net: gso: fix udp gso fraglist segmentation after pull from frag_list") detected invalid geometry in frag_list skb…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-38380 Rejected

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

    linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2355334
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2376041
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2378982
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2383381
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2383893
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_14009.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-21867
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21867
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21867
  • article
    https://lore.kernel.org/linux-cve-announce/2025032732-CVE-2025-21867-3138@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38124
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38124
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38124
  • article
    https://lore.kernel.org/linux-cve-announce/2025070328-CVE-2025-38124-bc19@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38250
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38250
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38250
  • article
    https://lore.kernel.org/linux-cve-announce/2025070934-CVE-2025-38250-3145@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38380
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38380
  • report
    https://access.redhat.com/security/cve/CVE-2025-38471
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38471
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38471
  • article
    https://lore.kernel.org/linux-cve-announce/2025072812-CVE-2025-38471-ca92@gregkh/T