- Issued:
- 2026-05-19
- Updated:
- 2026-05-19
RHSA-2026:18320 - Moderate: edk2 security update
Synopsis
Moderate: edk2 security update
Type/Severity
Security Advisory Moderate
Topic
An update for edk2 is now available for Red Hat Enterprise Linux 10.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.
Security Fix(es):
- openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap (CVE-2025-9230)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 10 Release Notes linked from the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 | 10 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 10.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 10.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - 4 years of updates | 10.2 | x86_64 |
| Red Hat Enterprise Linux for ARM 64 | 10 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - Extended Update Support | 10.2 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle | 10.2 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - 4 years of updates | 10.2 | aarch64 |
| Red Hat CodeReady Linux Builder for x86_64 | 10 | x86_64 |
| Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support | 10.2 | x86_64 |
| Red Hat CodeReady Linux Builder for Power, little endian | 10 | ppc64le |
| Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support | 10.2 | ppc64le |
| Red Hat CodeReady Linux Builder for IBM z Systems | 10 | s390x |
| Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support | 10.2 | s390x |
| Red Hat CodeReady Linux Builder for ARM 64 | 10 | aarch64 |
| Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support | 10.2 | aarch64 |
Updated Packages
- edk2-ovmf-20250822-4.el10.noarch.rpm
- edk2-tools-20250822-4.el10.x86_64.rpm
- edk2-20250822-4.el10.src.rpm
- edk2-aarch64-20250822-4.el10.noarch.rpm
- edk2-debugsource-20250822-4.el10.aarch64.rpm
- edk2-tools-debuginfo-20250822-4.el10.aarch64.rpm
- edk2-tools-20250822-4.el10.aarch64.rpm
- edk2-debugsource-20250822-4.el10.x86_64.rpm
- edk2-tools-debuginfo-20250822-4.el10.x86_64.rpm
- edk2-tools-doc-20250822-4.el10.noarch.rpm
Fixes
- This content is not included.BZ - 2396054
- This content is not included.RHEL-111718
- This content is not included.RHEL-109548
- This content is not included.RHEL-126085
CVEs
References
- https://access.redhat.com/security/updates/classification/#moderate
- https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/10.2_release_notes/index
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.