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OpenAdvisories
Critical 1 exploited CVE RHSA-2025:15657 4 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Sep 11, 2025 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 30

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-debuginfo 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-devel 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-kvm 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-extra 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-kvm 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-extra 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-debuginfo 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-devel 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-extra 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-core 0:5.14.0-284.137.1.rt14.422.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-extra 0:5.14.0-284.137.1.rt14.422.el9_2

Vulnerabilities 4

  • High 7.8
    CVE-2025-38352 Exploited Public exploit

    posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

    In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() If an exiting non-autoreaping task has already passed exit_notify() and calls handle_posix_cpu_timers() …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
    KEV Sep 4, 2025
  • Critical 9.8
    CVE-2025-38211

    RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction

    In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction The commit 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") simplified cm_id resource management by freeing…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-22097

    drm/vkms: Fix use after free and double free on init error

    In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix use after free and double free on init error If the driver initialization fails, the vkms_exit() function might access an uninitialized or freed default_config pointer and it mi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-22058

    udp: Fix memory accounting leak.

    In the Linux kernel, the following vulnerability has been resolved: udp: Fix memory accounting leak. Matt Dowling reported a weird UDP memory usage issue. Under normal operation, the UDP memory usage reported in /proc/net/sockstat remains close to zero. Howev…

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

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360223
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360276
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2376406
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2382581
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15657.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-22058
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22058
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22058
  • article
    https://lore.kernel.org/linux-cve-announce/2025041606-CVE-2025-22058-045a@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22097
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22097
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22097
  • article
    https://lore.kernel.org/linux-cve-announce/2025041619-CVE-2025-22097-d4f5@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38211
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38211
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38211
  • article
    https://lore.kernel.org/linux-cve-announce/2025070422-CVE-2025-38211-215a@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38352
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38352
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38352
  • article
    https://kernelcve.org/list/?q=CVE-2025-38352
  • article
    https://lore.kernel.org/linux-cve-announce/2025072229-CVE-2025-38352-f1de@gregkh/T
  • article
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog