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OpenAdvisories
Critical RHSA-2025:22997 3 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Dec 10, 2025 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-core 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-core 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-debuginfo 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-devel 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-kvm 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules-extra 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-devel 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-kvm 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules-extra 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-core 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-core 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-debuginfo 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-devel 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules-extra 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-devel 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules 0:5.14.0-70.157.1.rt21.229.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules-extra 0:5.14.0-70.157.1.rt21.229.el9_0

Vulnerabilities 3

  • Critical 9.8
    CVE-2025-39841

    scsi: lpfc: Fix buffer free/clear order in deferred receive path

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path Fix a use-after-free window by correcting the buffer release sequence in the deferred receive path. The code freed the RQ buff…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.5
    CVE-2023-52610

    net/sched: act_ct: fix skb leak and crash on ooo frags

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: fix skb leak and crash on ooo frags act_ct adds skb->users before defragmentation. If frags arrive in order, the last frag's reference is reset in: inet_frag_reasm_prepare …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-39883

    mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory

    In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory When I did memory failure tests, below panic occurs: page dumped because: VM_BUG_ON_PAGE(PagePoisoned(page)) ker…

    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=2270080
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396944
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2397553
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_22997.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-52610
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-52610
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-52610
  • article
    https://lore.kernel.org/linux-cve-announce/20240318100758.2828621-10-lee@kernel.org/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39841
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39841
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39841
  • article
    https://lore.kernel.org/linux-cve-announce/2025091902-CVE-2025-39841-2c0f@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39883
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39883
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39883
  • article
    https://lore.kernel.org/linux-cve-announce/2025092302-CVE-2025-39883-6015@gregkh/T