Red Hat Security Advisory: edk2 security update
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): * edk2: EDK2: Improper Input Validation allows arbitrary command execution (CVE-2025-2296) 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.
AI Analysis
Technical Summary
The edk2 package, which contains sample 64-bit UEFI firmware for QEMU and KVM virtual machines, has an improper input validation vulnerability (CVE-2025-2296) that allows arbitrary command execution. This vulnerability is rated as important by Red Hat Product Security. The advisory RHSA-2026:18465 provides updated packages for Red Hat Enterprise Linux 10 and related CodeReady Linux Builder products to fix this issue. The update rebases to edk2-stable202511 and addresses the input validation flaw to prevent arbitrary command execution. The vendor advisory includes detailed package versions and instructions for applying the update.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands within the context of the affected UEFI firmware environment on virtual machines using QEMU or KVM. This could lead to unauthorized control or compromise of the virtual machine firmware layer. The vulnerability affects multiple Red Hat Enterprise Linux 10 variants and CodeReady Linux Builder products across x86_64, aarch64, ppc64le, and s390x architectures. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released an official security update for edk2 as detailed in advisory RHSA-2026:18465. Users and administrators should apply the provided updates for Red Hat Enterprise Linux 10 and CodeReady Linux Builder products to remediate this vulnerability. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since an official fix is available, applying the update is the recommended mitigation. No additional vendor-recommended mitigations or workarounds are indicated.
Red Hat Security Advisory: edk2 security update
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): * edk2: EDK2: Improper Input Validation allows arbitrary command execution (CVE-2025-2296) 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.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The edk2 package, which contains sample 64-bit UEFI firmware for QEMU and KVM virtual machines, has an improper input validation vulnerability (CVE-2025-2296) that allows arbitrary command execution. This vulnerability is rated as important by Red Hat Product Security. The advisory RHSA-2026:18465 provides updated packages for Red Hat Enterprise Linux 10 and related CodeReady Linux Builder products to fix this issue. The update rebases to edk2-stable202511 and addresses the input validation flaw to prevent arbitrary command execution. The vendor advisory includes detailed package versions and instructions for applying the update.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands within the context of the affected UEFI firmware environment on virtual machines using QEMU or KVM. This could lead to unauthorized control or compromise of the virtual machine firmware layer. The vulnerability affects multiple Red Hat Enterprise Linux 10 variants and CodeReady Linux Builder products across x86_64, aarch64, ppc64le, and s390x architectures. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released an official security update for edk2 as detailed in advisory RHSA-2026:18465. Users and administrators should apply the provided updates for Red Hat Enterprise Linux 10 and CodeReady Linux Builder products to remediate this vulnerability. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since an official fix is available, applying the update is the recommended mitigation. No additional vendor-recommended mitigations or workarounds are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:18465
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3da1c64853345fc18204c3
Added to database: 06/25/2026, 21:46:46 UTC
Last enriched: 06/25/2026, 21:58:31 UTC
Last updated: 07/31/2026, 19:22:53 UTC
Views: 21
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