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      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This vulnerability is considered Important because it compromises a key security control in the boot chain, Secure Boot enforcement—by allowing an unsigned kernel to be loaded through the legacy fallback path when direct-boot signature verification fails. Although exploitation requires high privileges, the flaw enables a reliable and unintended bypass of a protection mechanism explicitly designed to prevent unauthorized code from executing during early boot. This loss of integrity in a security-critical stage gives attackers the opportunity to introduce persistent modifications, tamper with system state, or load manipulated kernels outside the trusted key database. The impact is therefore more significant than a moderate flaw, as it affects a foundational trust anchor rather than a user-space component, and can meaningfully weaken the platform’s security posture even under restricted privilege conditions.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
      "fixed" : [ "AppStream-10.2.GA:edk2-0:20251114-5.el10_2.src", "AppStream-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-0:20251114-5.el10_2.src", "CRB-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2025-2296"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2420637",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2420637"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2025-2296",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2025-2296"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2025-2296",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-2296"
    }, {
      "category" : "external",
      "summary" : "https://github.com/tianocore/edk2/security/advisories/GHSA-6pp6-cm5h-86g5",
      "url" : "https://github.com/tianocore/edk2/security/advisories/GHSA-6pp6-cm5h-86g5"
    } ],
    "release_date" : "2025-12-09T15:00:48.437000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-05-19T10:11:02+00:00",
      "details" : "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
      "product_ids" : [ "AppStream-10.2.GA:edk2-0:20251114-5.el10_2.src", "AppStream-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-0:20251114-5.el10_2.src", "CRB-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:18465"
    }, {
      "category" : "workaround",
      "details" : "To reduce the risk by disabling direct-boot mode, ensuring all bootable kernels are signed and present in the Secure Boot DB, and restricting privileged access to prevent attackers from introducing unsigned payloads.",
      "product_ids" : [ "AppStream-10.2.GA:edk2-0:20251114-5.el10_2.src", "AppStream-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-0:20251114-5.el10_2.src", "CRB-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch" ]
    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "LOW",
        "attackVector" : "LOCAL",
        "availabilityImpact" : "HIGH",
        "baseScore" : 8.2,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "HIGH",
        "privilegesRequired" : "HIGH",
        "scope" : "CHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
        "version" : "3.1"
      },
      "products" : [ "AppStream-10.2.GA:edk2-0:20251114-5.el10_2.src", "AppStream-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "AppStream-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "AppStream-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-0:20251114-5.el10_2.src", "CRB-10.2.GA:edk2-aarch64-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-debugsource-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-ovmf-0:20251114-5.el10_2.noarch", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.aarch64", "CRB-10.2.GA:edk2-tools-debuginfo-0:20251114-5.el10_2.x86_64", "CRB-10.2.GA:edk2-tools-doc-0:20251114-5.el10_2.noarch" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "edk2: EDK2: Improper Input Validation allows arbitrary command execution"
  } ]
}