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OpenAdvisories
High RHSA-2025:12525 6 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Aug 5, 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 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-core 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-core 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-debuginfo 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-devel 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-kvm 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules-extra 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-devel 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-kvm 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules-extra 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-core 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-core 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-debuginfo 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-devel 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules-extra 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-devel 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules 0:5.14.0-70.140.1.rt21.212.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules-extra 0:5.14.0-70.140.1.rt21.212.el9_0

Vulnerabilities 6

  • High 7.8
    CVE-2022-49995

    writeback: avoid use-after-free after removing device

    In the Linux kernel, the following vulnerability has been resolved: writeback: avoid use-after-free after removing device When a disk is removed, bdi_unregister gets called to stop further writeback and wait for associated delayed work to complete. However, w…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-23150

    ext4: fix off-by-one error in do_split

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_insert_dentry that was caused by out-of-bounds access due to incorrect splitting in do_split. BUG: KAS…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2025-21905

    wifi: iwlwifi: limit printed string from FW file

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: limit printed string from FW file There's no guarantee here that the file is always with a NUL-termination, so reading the string may read beyond the end of the TLV. If that's …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2024-57980

    media: uvcvideo: Fix double free in error path

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix double free in error path If the uvc_status_init() function fails to allocate the int_urb, it will free the dev->status pointer but doesn't reset the pointer to NULL. Thi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-22113

    ext4: avoid journaling sb update on error if journal is destroying

    In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUG_ON if trying to start a transaction on a journal marked with JBD2_UNMOUNT, since this should never h…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-37958

    mm/huge_memory: fix dereferencing invalid pmd migration entry

    In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address ac…

    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=2348599
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2356613
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360212
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2363268
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2367572
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373560
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_12525.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-49995
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-49995
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-49995
  • article
    https://lore.kernel.org/linux-cve-announce/2025061826-CVE-2022-49995-2d74@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2024-57980
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2024-57980
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2024-57980
  • article
    https://lore.kernel.org/linux-cve-announce/2025022634-CVE-2024-57980-4b5a@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-21905
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21905
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21905
  • article
    https://lore.kernel.org/linux-cve-announce/2025040129-CVE-2025-21905-348b@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22113
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22113
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22113
  • article
    https://lore.kernel.org/linux-cve-announce/2025041625-CVE-2025-22113-34cd@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-23150
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-23150
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-23150
  • article
    https://lore.kernel.org/linux-cve-announce/2025050127-CVE-2025-23150-15b8@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37958
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37958
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37958
  • article
    https://lore.kernel.org/linux-cve-announce/2025052003-CVE-2025-37958-02de@gregkh/T