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OpenAdvisories
High RHSA-2025:7676 2 CVEs

Red Hat Security Advisory: kernel-rt security update

Published May 16, 2025 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 32

ReleasePackageFixed in
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-debuginfo 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-devel 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-kvm 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-modules 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-modules-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debug-modules-extra 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debuginfo 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-devel 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-kvm 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-modules 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-modules-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::nfv kernel-rt-modules-extra 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug-debuginfo 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug-devel 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug-modules 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug-modules-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debug-modules-extra 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debuginfo 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-devel 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-modules 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-modules-core 0:5.14.0-284.117.1.rt14.402.el9_2
Red Hat · RHEL 9.2 EUS rhel_eus:9.2::realtime kernel-rt-modules-extra 0:5.14.0-284.117.1.rt14.402.el9_2

Vulnerabilities 2

  • High 7.8
    CVE-2024-47745

    mm: call the security_mmap_file() LSM hook in remap_file_pages()

    In the Linux kernel, the following vulnerability has been resolved: mm: call the security_mmap_file() LSM hook in remap_file_pages() The remap_file_pages syscall handler calls do_mmap() directly, which doesn't contain the LSM security check. And if the proces…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-21756 Public exploit

    vsock: Keep the binding until socket destruction

    In the Linux kernel, the following vulnerability has been resolved: vsock: Keep the binding until socket destruction Preserve sockets bindings; this includes both resulting from an explicit bind() and those implicitly bound through autobind during connect(). …

    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=2320248
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2348609
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7676.json
  • report
    https://access.redhat.com/security/cve/CVE-2024-47745
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2024-47745
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2024-47745
  • article
    https://lore.kernel.org/linux-cve-announce/2024102111-CVE-2024-47745-42e6@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-21756
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21756
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21756
  • article
    https://lore.kernel.org/linux-cve-announce/2025022603-CVE-2025-21756-5e09@gregkh/T