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OpenAdvisories
Medium RHSA-2025:21492 2 CVEs

Red Hat Security Advisory: kernel security update

Published Nov 18, 2025 · Updated Jun 30, 2026

Ecosystem: Red Hat

Fixed packages 91

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-devel-matched 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debug-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-devel-matched 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-64k-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-abi-stablelists 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-devel-matched 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debug-uki-virt 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-aarch64 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-ppc64le 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-s390x 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-debuginfo-common-x86_64 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-devel-matched 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-doc 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debug-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-64k-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-kvm 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debug-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-kvm 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-rt-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-libs 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-tools-libs-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-uki-virt 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-uki-virt-addons 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-devel 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-devel-matched 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules-core 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 kernel-zfcpdump-modules-extra 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libperf 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libperf-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 perf 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 perf-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-perf 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-perf-debuginfo 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rtla 0:6.12.0-55.45.1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rv 0:6.12.0-55.45.1.el10_0

Vulnerabilities 2

  • Medium 5.5
    CVE-2025-39903

    of_numa: fix uninitialized memory nodes causing kernel panic

    In the Linux kernel, the following vulnerability has been resolved: of_numa: fix uninitialized memory nodes causing kernel panic When there are memory-only nodes (nodes without CPUs), these nodes are not properly initialized, causing kernel panic during boot.…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2024-56690

    crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY

    In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY Since commit 8f4f68e788c3 ("crypto: pcrypt - Fix hungtask for PADATA_RESET"), the pcrypt encryption and dec…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2334676
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2400593
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21492.json
  • report
    https://access.redhat.com/security/cve/CVE-2024-56690
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2024-56690
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2024-56690
  • article
    https://lore.kernel.org/linux-cve-announce/2024122834-CVE-2024-56690-b77f@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39903
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39903
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39903
  • article
    https://lore.kernel.org/linux-cve-announce/2025100118-CVE-2025-39903-6698@gregkh/T