{ "document": { "aggregate_severity": { "text": "Important" }, "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/centos7els/vex/2025/cve-2025-21993-els_os-centos7els.json" } ], "title": "Security update on CVE-2025-21993", "tracking": { "current_release_date": "2025-12-23T20:55:41Z", "generator": { "date": "2025-12-23T20:55:41Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2025-21993-ELS_OS-CENTOS7ELS", "initial_release_date": "2025-04-02T13:15:00Z", "revision_history": [ { "date": "2025-04-02T13:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-05-27T19:14:43Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T20:55:41Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 7", "product": { "name": "Community Enterprise Operating System 7", "product_id": "CentOS-7", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-tools-libs-devel@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-debug-devel@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-debug@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-tools@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/perf@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-tools-libs@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-devel@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-headers@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } }, { "category": "product_version", "name": "python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product": { "name": "python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_id": "python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/python-perf@3.10.0-1160.119.1.el7.tuxcare.els20?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" }, "product_reference": "python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "relates_to_product_reference": "CentOS-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-21993", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\niscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic()\n\nWhen performing an iSCSI boot using IPv6, iscsistart still reads the\n/sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix\nlength is 64, this causes the shift exponent to become negative,\ntriggering a UBSAN warning. As the concept of a subnet mask does not\napply to IPv6, the value is set to ~0 to suppress the warning message.", "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": [ "CentOS-7:kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-21993" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/07e0d99a2f701123ad3104c0f1a1e66bce74d6e5", "url": "https://git.kernel.org/stable/c/07e0d99a2f701123ad3104c0f1a1e66bce74d6e5" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/2d1eef248107bdf3d5a69d0fde04c30a79a7bf5d", "url": "https://git.kernel.org/stable/c/2d1eef248107bdf3d5a69d0fde04c30a79a7bf5d" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/9bfa80c8aa4e06dff55a953c3fffbfc68a3a3b1c", "url": "https://git.kernel.org/stable/c/9bfa80c8aa4e06dff55a953c3fffbfc68a3a3b1c" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/a858cd58dea06cf85b142673deea8c5d87f11e70", "url": "https://git.kernel.org/stable/c/a858cd58dea06cf85b142673deea8c5d87f11e70" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/b253660fac5e0e9080d2c95e3a029e1898d49afb", "url": "https://git.kernel.org/stable/c/b253660fac5e0e9080d2c95e3a029e1898d49afb" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/b388e185bfad32bfed6a97a6817f74ca00a4318f", "url": "https://git.kernel.org/stable/c/b388e185bfad32bfed6a97a6817f74ca00a4318f" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c1c6e527470e5eab0b2d57bd073530fbace39eab", "url": "https://git.kernel.org/stable/c/c1c6e527470e5eab0b2d57bd073530fbace39eab" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/f763c82db8166e28f45b7cc4a5398a7859665940", "url": "https://git.kernel.org/stable/c/f763c82db8166e28f45b7cc4a5398a7859665940" } ], "release_date": "2025-04-02T13:15:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "products": [ "CentOS-7:kernel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-tools-libs-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-debug-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-debug-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-tools-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-tools-libs-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-devel-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:kernel-headers-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64", "CentOS-7:python-perf-0:3.10.0-1160.119.1.el7.tuxcare.els20.x86_64" ] } ], "threats": [ { "category": "impact", "details": "High" } ] } ] }