Red Hat Security Advisory: edk2 security update

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products14

• Red Hat Enterprise Linux AppStream (v. 10)
• Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-0:20250822-4.el10.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
• edk2-aarch64-0:20250822-4.el10.noarch as a component of Red Hat Enterprise Linux AppStream (v. 10)
• edk2-aarch64-0:20250822-4.el10.noarch as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-debugsource-0:20250822-4.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-debugsource-0:20250822-4.el10.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-ovmf-0:20250822-4.el10.noarch as a component of Red Hat Enterprise Linux AppStream (v. 10)
• edk2-ovmf-0:20250822-4.el10.noarch as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-tools-0:20250822-4.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-tools-0:20250822-4.el10.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-tools-debuginfo-0:20250822-4.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-tools-debuginfo-0:20250822-4.el10.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• edk2-tools-doc-0:20250822-4.el10.noarch as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (8)

• selfhttps://access.redhat.com/errata/RHSA-2026:18320
• externalhttps://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/10.2_release_notes/index
• externalhttps://access.redhat.com/security/updates/classification/#moderate
• externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2396054
• externalhttps://issues.redhat.com/browse/RHEL-109548
• externalhttps://issues.redhat.com/browse/RHEL-111718
• externalhttps://issues.redhat.com/browse/RHEL-126085
• selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_18320.json