Skip to content
OpenAdvisories
High RHSA-2025:8744 1 CVE

Red Hat Security Advisory: kernel-rt security update

Published Jun 11, 2025 · Updated Jun 30, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-core 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-core 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-debuginfo 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-devel 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-kvm 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules-extra 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-devel 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-kvm 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules-extra 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-core 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-core 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-debuginfo 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-devel 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules-extra 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-devel 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules 0:4.18.0-553.56.1.rt7.397.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules-extra 0:4.18.0-553.56.1.rt7.397.el8_10

Vulnerabilities 1

  • High 7.1
    CVE-2022-49395

    um: Fix out-of-bounds read in LDT setup

    In the Linux kernel, the following vulnerability has been resolved: um: Fix out-of-bounds read in LDT setup syscall_stub_data() expects the data_count parameter to be the number of longs, not bytes. ============================================================…

    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=2347899
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8744.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-49395
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-49395
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-49395
  • article
    https://lore.kernel.org/linux-cve-announce/2025022650-CVE-2022-49395-7419@gregkh/T