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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in linux-pam. The pam_namespace module may improperly handle user-controlled paths, allowing local users to exploit symlink attacks and race conditions to elevate their privileges to root. This CVE provides a \"complete\" fix for CVE-2025-6020."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en linux-pam. El m\u00f3dulo pam_namespace podr\u00eda gestionar incorrectamente las rutas controladas por el usuario, lo que permite a los usuarios locales explotar ataques de enlaces simb\u00f3licos y condiciones de ejecuci\u00f3n para elevar sus privilegios a root. Esta CVE proporciona una soluci\u00f3n completa para CVE-2025-6020."}], "id": "CVE-2025-8941", "lastModified": "2025-09-23T20:15:33.927", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2025-08-13T15:15:41.873", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:14557"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15099"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15100"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15101"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15102"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15103"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15104"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15105"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15106"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15107"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15709"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15827"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:15828"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:16524"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2025-8941"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2388220"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "linux-pam: Incomplete fix for CVE-2025-6020", "id": "2388220", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2388220"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in linux-pam. The pam_namespace module may improperly handle user-controlled paths, allowing local users to exploit symlink attacks and race conditions to elevate their privileges to root. This CVE provides a \"complete\" fix for CVE-2025-6020."], "mitigation": {"lang": "en:us", "value": "Disable the `pam_namespace` module if it is not essential for your environment, or carefully review and configure it to avoid operating on any directories or paths that can be influenced or controlled by unprivileged users, such as user home directories or world-writable locations like `/tmp`."}, "name": "CVE-2025-8941", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "pam", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "pam", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "pam", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-08-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-8941\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-8941"], "statement": "This vulnerability in pam_namespace is rated Important because it allows a local, unprivileged user to escalate privileges to root by exploiting symlink attacks or race conditions in polyinstantiated directories under their control. Successful exploitation requires only the ability to create and manipulate filesystem paths in such directories, without the need for special capabilities or kernel-level vulnerabilities. In multi-user environments\u2014such as shared systems, terminal servers, or certain container deployments, an unprotected or misconfigured pam_namespace configuration can serve as a single point of compromise. Privilege escalation flaws of this nature may also be chained with other vulnerabilities to maintain persistence or evade detection, further increasing the overall impact.", "threat_severity": "Important"}

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