Red Hat Product Errata RHSA-2026:39297 - Security Advisory Issued: 2026-07-14 Updated: 2026-07-14 RHSA-2026:39297 - Security Advisory Overview Updated Packages Synopsis Moderate: edk2 security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems 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: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key (CVE-2026-31790) openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing (CVE-2026-28390) Bug Fix(es) and Enhancement(s): edk2/x64: re-enable legacy kernel loader [rhel-10.2.z] (JIRA:RHEL-182421) 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. 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 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 ARM 64 10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat CodeReady Linux Builder for x86_64 10 x86_64 Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le Red Hat CodeReady Linux Builder for ARM 64 10 aarch64 Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 x86_64 Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 s390x Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 Fixes BZ - 2451094 - CVE-2026-31790 openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key BZ - 2456314 - CVE-2026-28390 openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVEs CVE-2026-28390 CVE-2026-31790 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 x86_64 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 x86_64 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat Enterprise Linux for ARM 64 10 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 aarch64 edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 aarch64 edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 Red Hat CodeReady Linux Builder for x86_64 10 SRPM x86_64 edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 edk2-debugsource-20251114-5.el10_2.2.x86_64.rpm SHA-256: 97dc7a7a7da25593c5cf287b11de6e5326ed9944c8b349405a64474faabd9ae6 edk2-tools-20251114-5.el10_2.2.x86_64.rpm SHA-256: ece9fe249380d7dc87d38270b13502e2ca32fc84b393220a5d0a0fd2e5636c1d edk2-tools-debuginfo-20251114-5.el10_2.2.x86_64.rpm SHA-256: c65b0c27302e780ce87a8b1c819261bc8245b386ae8ac76d29c5838442e6c91b edk2-tools-doc-20251114-5.el10_2.2.noarch.rpm SHA-256: d55acb3478cb01f2a6edfde3c64d5b630f9b7d9524f69c4b522fb7b3eedfbf01 Red Hat CodeReady Linux Builder for Power, little endian 10 SRPM ppc64le edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat CodeReady Linux Builder for ARM 64 10 SRPM aarch64 edk2-debugsource-20251114-5.el10_2.2.aarch64.rpm SHA-256: 6df144308ee68681c21cb6de10bcf8ec6d85948632ae12bf73c38fffba04153b edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 edk2-tools-20251114-5.el10_2.2.aarch64.rpm SHA-256: 114bcb47b87dfce102aad21ef31c300a2d8b77bec5e88160ec4ba41aba7272c0 edk2-tools-debuginfo-20251114-5.el10_2.2.aarch64.rpm SHA-256: 707db071f6ace5652999b523876ea7c8a1fa8c26345fa094d175848ed89f149e edk2-tools-doc-20251114-5.el10_2.2.noarch.rpm SHA-256: d55acb3478cb01f2a6edfde3c64d5b630f9b7d9524f69c4b522fb7b3eedfbf01 Red Hat CodeReady Linux Builder for IBM z Systems 10 SRPM s390x edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 SRPM x86_64 edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 edk2-debugsource-20251114-5.el10_2.2.x86_64.rpm SHA-256: 97dc7a7a7da25593c5cf287b11de6e5326ed9944c8b349405a64474faabd9ae6 edk2-tools-20251114-5.el10_2.2.x86_64.rpm SHA-256: ece9fe249380d7dc87d38270b13502e2ca32fc84b393220a5d0a0fd2e5636c1d edk2-tools-debuginfo-20251114-5.el10_2.2.x86_64.rpm SHA-256: c65b0c27302e780ce87a8b1c819261bc8245b386ae8ac76d29c5838442e6c91b edk2-tools-doc-20251114-5.el10_2.2.noarch.rpm SHA-256: d55acb3478cb01f2a6edfde3c64d5b630f9b7d9524f69c4b522fb7b3eedfbf01 Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 SRPM ppc64le edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 SRPM s390x edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 SRPM aarch64 edk2-debugsource-20251114-5.el10_2.2.aarch64.rpm SHA-256: 6df144308ee68681c21cb6de10bcf8ec6d85948632ae12bf73c38fffba04153b edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 edk2-tools-20251114-5.el10_2.2.aarch64.rpm SHA-256: 114bcb47b87dfce102aad21ef31c300a2d8b77bec5e88160ec4ba41aba7272c0 edk2-tools-debuginfo-20251114-5.el10_2.2.aarch64.rpm SHA-256: 707db071f6ace5652999b523876ea7c8a1fa8c26345fa094d175848ed89f149e edk2-tools-doc-20251114-5.el10_2.2.noarch.rpm SHA-256: d55acb3478cb01f2a6edfde3c64d5b630f9b7d9524f69c4b522fb7b3eedfbf01 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 aarch64 edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 x86_64 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 x86_64 edk2-ovmf-20251114-5.el10_2.2.noarch.rpm SHA-256: 427902943d05782639e33d8089677115979693e75b4e75081a34d700f52b64d5 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 SRPM edk2-20251114-5.el10_2.2.src.rpm SHA-256: 0cc9187b1c7c687fd28bec86e0562afc25930b2fb69c3603f8b2df00dac165f9 aarch64 edk2-aarch64-20251114-5.el10_2.2.noarch.rpm SHA-256: 2f3ebf4a958fd59177dc9bebb55cd5511214ba7dfaf0b99f0c1be9c219943f77 The Red Hat security contact is secalert@redhat.com . 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