Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products8

• Red Hat Hardened Images
• efivar-0:39-13.1.hum1@aarch64 as a component of Red Hat Hardened Images
• efivar-0:39-13.1.hum1@src as a component of Red Hat Hardened Images
• efivar-0:39-13.1.hum1@x86_64 as a component of Red Hat Hardened Images
• efivar-devel-0:39-13.1.hum1@aarch64 as a component of Red Hat Hardened Images
• efivar-devel-0:39-13.1.hum1@x86_64 as a component of Red Hat Hardened Images
• efivar-libs-0:39-13.1.hum1@aarch64 as a component of Red Hat Hardened Images
• efivar-libs-0:39-13.1.hum1@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: Applications using efi_loadopt_is_valid() should validate the size of the input buffer before passing it to libefiboot. As a library-level fix, the device path iterator should enforce a minimum node Length of 4 before recursing: if (dp->length < 4) return -1;

🔗 References (5)

• selfhttps://access.redhat.com/errata/RHSA-2026:69321
• externalhttps://access.redhat.com/security/cve/CVE-2026-6862
• externalhttps://access.redhat.com/security/updates/classification/
• externalhttps://images.redhat.com/
• selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69321.json