{ "document": { "aggregate_severity": { "text": "Medium" }, "category": "csaf_vex", "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" } ], "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/centos8.5els/vex/2024/cve-2024-2494-els_os-centos8_5els.json" } ], "tracking": { "current_release_date": "2026-06-12T19:36:08Z", "generator": { "date": "2026-06-12T19:36:08Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2024-2494-ELS_OS-CENTOS8.5ELS", "initial_release_date": "2024-03-21T00:00:00Z", "revision_history": [ { "date": "2024-03-21T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-11-29T10:46:07Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T22:15:38Z", "number": "3", "summary": "Update document" }, { "date": "2026-06-12T19:36:08Z", "number": "4", "summary": "Update document" } ], "status": "final", "version": "4" }, "title": "Security update on CVE-2024-2494" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 8.5", "product": { "name": "Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:8.5:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "virt:rhel:8050020250129120203:9edba152", "product": { "name": "virt:rhel:8050020250129120203:9edba152", "product_id": "virt:rhel:8050020250129120203:9edba152", "product_identification_helper": { "purl": "pkg:rpmmod/cloudlinux/virt@rhel:8050020250129120203:9edba152" } } } ], 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"CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686" }, "product_reference": "ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64" }, "product_reference": "ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-8.5" } ] }, "vulnerabilities": [ { "cve": "CVE-2024-2494", "cwe": { "id": "CWE-789", "name": "Memory Allocation with Excessive Size Value" }, "notes": [ { "category": "description", "text": "A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.", "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" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "CentOS-8.5:hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ocaml-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ocaml-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ocaml-hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ocaml-hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:perl-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:perl-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:python3-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:python3-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:virt:rhel:8050020250129120203:9edba152" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2024-2494" } ], "release_date": "2024-03-21T00:00:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "CentOS-8.5:hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ocaml-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ocaml-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ocaml-hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ocaml-hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:perl-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:perl-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:python3-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:python3-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:virt:rhel:8050020250129120203:9edba152" ] } ], "threats": [ { "category": "impact", "details": "Moderate" }, { "category": "impact", "date": "2026-06-12T13:02:22.869998Z", "details": "Not affected: CVE-2024-2494 is a libvirt RPC server deserialization flaw that can crash the libvirt daemon when a negative length is passed to g_new0 during array allocation. The hivex 1.3.18 library is unrelated to libvirt and only handles Windows Registry hive files; it does not include or expose libvirt’s RPC server code paths, so the vulnerable functionality is absent. Because exploitation requires interacting with the libvirt daemon, this issue is not reachable in deployments involving hivex alone.", "product_ids": [ "CentOS-8.5:hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ocaml-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ocaml-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ocaml-hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ocaml-hivex-devel-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:perl-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:perl-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:python3-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:python3-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.i686", "CentOS-8.5:ruby-hivex-0:1.3.18-21.module_el8.5.0+2257+164246a8.tuxcare.els1.x86_64", "CentOS-8.5:virt:rhel:8050020250129120203:9edba152" ] } ] } ] }