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OpenAdvisories
High RHSA-2025:16920 4 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Sep 30, 2025 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-core 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-core 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-debuginfo 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-devel 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-kvm 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules-extra 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-devel 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-kvm 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules-extra 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-core 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-core 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-debuginfo 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-devel 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules-extra 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-devel 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules 0:4.18.0-553.77.1.rt7.418.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules-extra 0:4.18.0-553.77.1.rt7.418.el8_10

Vulnerabilities 4

  • High 7.8
    CVE-2022-50087

    firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpi_info is not set and will remain NULL until the pro…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-37797

    net_sched: hfsc: Fix a UAF vulnerability in class handling

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-us…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38718

    sctp: linearize cloned gso packets in sctp_rcv

    In the Linux kernel, the following vulnerability has been resolved: sctp: linearize cloned gso packets in sctp_rcv A cloned head skb still shares these frag skbs in fraglist with the original head skb. It's not safe to access these frag skbs. syzbot reported …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-22026

    nfsd: don't ignore the return code of svc_proc_register()

    In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svc_proc_register() Currently, nfsd_proc_stat_init() ignores the return value of svc_proc_register(). If the procfile creation fails, then the kernel wil…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360224
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2363672
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373539
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393166
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_16920.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-50087
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50087
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50087
  • article
    https://lore.kernel.org/linux-cve-announce/2025061859-CVE-2022-50087-53b1@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22026
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22026
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22026
  • article
    https://lore.kernel.org/linux-cve-announce/2025041654-CVE-2025-22026-f6be@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37797
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37797
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37797
  • article
    https://lore.kernel.org/linux-cve-announce/2025050210-CVE-2025-37797-2aab@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38718
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38718
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38718
  • article
    https://lore.kernel.org/linux-cve-announce/2025090459-CVE-2025-38718-5bb6@gregkh/T