{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "CVE-2023-45236: fix TCP Initial Sequence Number generation in NetworkPkg\n to prevent predictable sequence numbers\n- CVE-2023-45237: fix weak pseudo-random number generator in NetworkPkg\n to prevent predictable TCP sequence numbers", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/advisories/2025/clsa-2025_1764062286.json" }, { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2025:1764062286", "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1764062286" } ], "tracking": { "current_release_date": "2026-02-16T09:50:53Z", "generator": { "date": "2026-02-16T09:50:53Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2025:1764062286", "initial_release_date": "2025-11-25T09:18:54Z", "revision_history": [ { "date": "2025-11-25T09:18:54Z", "number": "1", "summary": "Initial version" }, { "date": "2026-02-16T09:50:53Z", "number": "2", "summary": "Update document" } ], "status": "final", "version": "2" }, "title": "edk2: Fix of 2 CVEs" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "AlmaLinux 9.2", "product": { "name": "AlmaLinux 9.2", "product_id": "AlmaLinux-9.2", "product_identification_helper": { "cpe": "cpe:2.3:o:almalinux:almalinux:9.2:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "AlmaLinux" } ], "category": "vendor", "name": "AlmaLinux OS Foundation" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product": { "name": "edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product_id": "edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/edk2-ovmf@20221207gitfff6d81270b5-9.el9_2.tuxcare.els3?arch=noarch" } } }, { "category": "product_version", "name": "edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product": { "name": "edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product_id": "edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/edk2-tools-doc@20221207gitfff6d81270b5-9.el9_2.tuxcare.els3?arch=noarch" } } }, { "category": "product_version", "name": "edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product": { "name": "edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product_id": "edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/edk2-aarch64@20221207gitfff6d81270b5-9.el9_2.tuxcare.els3?arch=noarch" } } } ], "category": "architecture", "name": "noarch" }, { "branches": [ { "category": "product_version", "name": "edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "product": { "name": "edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "product_id": "edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/edk2-tools@20221207gitfff6d81270b5-9.el9_2.tuxcare.els3?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" }, "product_reference": "edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" }, "product_reference": "edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" }, "product_reference": "edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64" }, "product_reference": "edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-45237", "cwe": { "id": "CWE-338", "name": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)" }, "notes": [ { "category": "description", "text": "EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.", "title": "Vulnerability description" }, { "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": [ "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-45237" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2024/01/16/2", "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2" }, { "category": "external", "summary": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h", "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20240307-0011/", "url": "https://security.netapp.com/advisory/ntap-20240307-0011/" }, { "category": "external", "summary": "https://www.kb.cert.org/vuls/id/132380", "url": "https://www.kb.cert.org/vuls/id/132380" } ], "release_date": "2024-01-16T16:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-11-25T09:18:08.411308Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1764062286", "product_ids": [ "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1764062286" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] }, { "cve": "CVE-2023-45236", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "notes": [ { "category": "description", "text": "EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.", "title": "Vulnerability description" }, { "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": [ "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-45236" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2024/01/16/2", "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2" }, { "category": "external", "summary": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h", "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20240307-0011/", "url": "https://security.netapp.com/advisory/ntap-20240307-0011/" }, { "category": "external", "summary": "https://www.kb.cert.org/vuls/id/132380", "url": "https://www.kb.cert.org/vuls/id/132380" } ], "release_date": "2024-01-16T16:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-11-25T09:18:08.411308Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1764062286", "product_ids": [ "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1764062286" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "AlmaLinux-9.2:edk2-aarch64-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-ovmf-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch", "AlmaLinux-9.2:edk2-tools-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.x86_64", "AlmaLinux-9.2:edk2-tools-doc-0:20221207gitfff6d81270b5-9.el9_2.tuxcare.els3.noarch" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }