{ "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": "* SECURITY UPDATE: harden sudo against ROWHAMMER bit-flip attacks\n - debian/patches/CVE-2023-42465.patch: use ROWHAMMER-resistant values for ALLOW/DENY and the AUTH_* codes and explicitly test for expected values instead of negated tests in the parser and authentication code\n - CVE-2023-42465", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788786535", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788786535" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1788786535.json" } ], "tracking": { "current_release_date": "2026-09-07T13:09:33Z", "generator": { "date": "2026-09-07T13:09:33Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1788786535", "initial_release_date": "2026-09-07T13:09:33Z", "revision_history": [ { "date": "2026-09-07T13:09:33Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2023-42465" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian 11", "product": { "name": "Debian 11", "product_id": "Debian-11", "product_identification_helper": { "cpe": "cpe:2.3:o:debian:debian_linux:11:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Debian" } ], "category": "vendor", "name": "Software in the Public Interest, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "product": { "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "product_id": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo-ldap@1.9.5p2-3%2Bdeb11u4%2Btuxcare.els1?arch=armel" } } }, { "category": "product_version", "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "product": { "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "product_id": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo@1.9.5p2-3%2Bdeb11u4%2Btuxcare.els1?arch=armel" } } } ], "category": "architecture", "name": "armel" }, { "branches": [ { "category": "product_version", "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "product": { "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "product_id": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo-ldap@1.9.5p2-3%2Bdeb11u4%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "product": { "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "product_id": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo@1.9.5p2-3%2Bdeb11u4%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "product": { "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "product_id": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo-ldap@1.9.5p2-3%2Bdeb11u4%2Btuxcare.els1?arch=arm64" } } }, { "category": "product_version", "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "product": { "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "product_id": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/sudo@1.9.5p2-3%2Bdeb11u4%2Btuxcare.els1?arch=arm64" } } } ], "category": "architecture", "name": "arm64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel as a component of Debian 11", "product_id": "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel" }, "product_reference": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64 as a component of Debian 11", "product_id": "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64" }, "product_reference": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64 as a component of Debian 11", "product_id": "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64" }, "product_reference": "sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64 as a component of Debian 11", "product_id": "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64" }, "product_reference": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel as a component of Debian 11", "product_id": "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel" }, "product_reference": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64 as a component of Debian 11", "product_id": "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64" }, "product_reference": "sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-11" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-42465", "notes": [ { "category": "description", "text": "Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because application logic sometimes is based on not equaling an error value (instead of equaling a success value), and because the values do not resist flips of a single bit.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-42465" }, { "category": "external", "summary": "https://arxiv.org/abs/2309.02545", "url": "https://arxiv.org/abs/2309.02545" }, { "category": "external", "summary": "https://github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f", "url": "https://github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f" }, { "category": "external", "summary": "https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15", "url": "https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202401-29", "url": "https://security.gentoo.org/glsa/202401-29" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20240208-0002/", "url": "https://security.netapp.com/advisory/ntap-20240208-0002/" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2023/12/21/9", "url": "https://www.openwall.com/lists/oss-security/2023/12/21/9" }, { "category": "external", "summary": "https://www.sudo.ws/releases/changelog/", "url": "https://www.sudo.ws/releases/changelog/" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2025/09/23/2", "url": "http://www.openwall.com/lists/oss-security/2025/09/23/2" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2025/09/24/6", "url": "http://www.openwall.com/lists/oss-security/2025/09/24/6" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/" } ], "release_date": "2023-12-22T16:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-09-07T13:08:57.147756Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1788786535", "product_ids": [ "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "Debian-11:sudo-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel", "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.amd64", "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.arm64", "Debian-11:sudo-ldap-0:1.9.5p2-3+deb11u4+tuxcare.els1.armel" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788786535" } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }