{ "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: mount option injection via credentials file values\n - debian/patches/CVE-2026-104715.patch: in mount.cifs.c, reject\n username= and domain= values from a credentials file, and the USER\n environment variable or passwd login name, that contain an option\n delimiter (comma, equals, CR or LF) before they are assembled into\n the kernel mount option string.\n - CVE-2026-104715", "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-2026:1792790974", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792790974" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/advisories/2026/clsa-2026_1792790974.json" } ], "tracking": { "current_release_date": "2026-10-23T21:30:13Z", "generator": { "date": "2026-10-23T21:30:13Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1792790974", "initial_release_date": "2026-10-23T21:30:13Z", "revision_history": [ { "date": "2026-10-23T21:30:13Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2026-104715" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian 10", "product": { "name": "Debian 10", "product_id": "Debian-10", "product_identification_helper": { "cpe": "cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Debian" } ], "category": "vendor", "name": "Software in the Public Interest, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel", "product": { "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel", "product_id": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel", "product_identification_helper": { "purl": "pkg:deb/tuxcare/cifs-utils@2:6.8-2%2Bdeb10u1%2Btuxcare.els1?arch=armel" } } } ], "category": "architecture", "name": "armel" }, { "branches": [ { "category": "product_version", "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64", "product": { "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64", "product_id": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/cifs-utils@2:6.8-2%2Bdeb10u1%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64", "product": { "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64", "product_id": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/cifs-utils@2:6.8-2%2Bdeb10u1%2Btuxcare.els1?arch=arm64" } } } ], "category": "architecture", "name": "arm64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel as a component of Debian 10", "product_id": "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel" }, "product_reference": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64 as a component of Debian 10", "product_id": "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64" }, "product_reference": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64 as a component of Debian 10", "product_id": "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64" }, "product_reference": "cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64", "relates_to_product_reference": "Debian-10" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-104715", "cwe": { "id": "CWE-88", "name": "Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')" }, "notes": [ { "category": "description", "text": "A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sanitized before being assembled into mount options. A local attacker can exploit this vulnerability to inject unauthorized mount options, allowing them to bypass permission checks and execute files with administrative (root) privileges.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64", "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64", "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-104715" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-104715", "url": "https://access.redhat.com/security/cve/CVE-2026-104715" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2545023", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545023" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/10/16/35", "url": "http://www.openwall.com/lists/oss-security/2026/10/16/35" } ], "release_date": "2026-10-16T07:17:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-10-23T21:29:36.310138Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792790974", "product_ids": [ "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.amd64", "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.arm64", "Debian-10:cifs-utils-2:6.8-2+deb10u1+tuxcare.els1.armel" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792790974" } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }