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OpenAdvisories
High RHSA-2026:18465 1 CVE

Red Hat Security Advisory: edk2 security update

Published May 20, 2026 · Updated Sep 2, 2026

Fixed packages 7

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 edk2 0:20251114-5.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 edk2-aarch64 0:20251114-5.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 edk2-debugsource 0:20251114-5.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 edk2-ovmf 0:20251114-5.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 edk2-tools 0:20251114-5.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 edk2-tools-debuginfo 0:20251114-5.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 edk2-tools-doc 0:20251114-5.el10_2

Vulnerabilities 1

  • High 8.4

    Un-verified kernel bypass Secure Boot mechanism in direct boot mode

    EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary command execution and imp…

References

  • article
    https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/10.2_release_notes/index
  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2420637
  • article
    https://issues.redhat.com/browse/RHEL-112106
  • article
    https://issues.redhat.com/browse/RHEL-116433
  • article
    https://issues.redhat.com/browse/RHEL-118386
  • article
    https://issues.redhat.com/browse/RHEL-138335
  • article
    https://issues.redhat.com/browse/RHEL-147785
  • article
    https://issues.redhat.com/browse/RHEL-150696
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_18465.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-2296
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-2296
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-2296
  • article
    https://github.com/tianocore/edk2/security/advisories/GHSA-6pp6-cm5h-86g5