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High ELSA-2025-28024 1 CVE

Important: Unbreakable Enterprise kernel security update (Oracle Linux 8)

Published Dec 2, 2025 · Updated Dec 2, 2025

Summary

[5.15.0-314.193.5.5]
- crypto: essiv - Check ssize for decryption and in-place encryption (Herbert Xu) [Orabug: 38705933] {CVE-2025-40019}

Fixed packages 19

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-container 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-container-debug 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-core 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-debug 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-debug-core 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-debug-devel 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-debug-modules 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-debug-modules-extra 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-devel 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-doc 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-modules 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek-modules-extra 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek64k 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek64k-core 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek64k-devel 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek64k-modules 0:5.15.0-314.193.5.5.el9uek
Oracle Linux · 8 kernel-uek64k-modules-extra 0:5.15.0-314.193.5.5.el9uek

Vulnerabilities 1

  • Unscored —
    CVE-2025-40019 Public exploit

    crypto: essiv - Check ssize for decryption and in-place encryption

    In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.