« Volver al listado

CVE-2025-8941

Estado: AplazadaAlta (7.8)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:L, PR:L, UI:N indica explotación local sin interacción (T1068). El texto confirma escalada a root mediante ataques de symlink y race conditions. El impacto es T1068 al conseguir privilegios de administrador.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Threat Intelligence ProgramExecution PreventionApplication Isolation and SandboxingExploit ProtectionUpdate Software

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux-pam — Linux-pamAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-8941",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-8941",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-14T03:56:02.437686Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "packageName": "linux-pam",
          "collectionURL": "https://github.com/linux-pam/linux-pam",
          "defaultStatus": "unaffected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_els:7"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.1.8-23.el7_9.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-38.el8_10",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_aus:8.2::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-8.el8_2.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos",
            "cpe:/o:redhat:rhel_aus:8.4::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-14.el8_4.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos",
            "cpe:/o:redhat:rhel_aus:8.4::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-14.el8_4.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/o:redhat:rhel_aus:8.6::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-16.el8_6.3",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/o:redhat:rhel_aus:8.6::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-16.el8_6.3",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/o:redhat:rhel_aus:8.6::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-16.el8_6.3",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_e4s:8.8::baseos",
            "cpe:/o:redhat:rhel_tus:8.8::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-26.el8_8.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_e4s:8.8::baseos",
            "cpe:/o:redhat:rhel_tus:8.8::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.3.1-26.el8_8.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/o:redhat:enterprise_linux:9::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.5.1-26.el9_6",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/o:redhat:enterprise_linux:9::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.5.1-26.el9_6",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.0::appstream",
            "cpe:/o:redhat:rhel_e4s:9.0::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.5.1-9.el9_0.3",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.2::appstream",
            "cpe:/o:redhat:rhel_e4s:9.2::baseos"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.5.1-15.el9_2.2",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/o:redhat:rhel_eus:9.4::baseos",
            "cpe:/a:redhat:rhel_eus:9.4::appstream"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:1.5.1-24.el9_4.1",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "pam",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:webterminal:1.11::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Web Terminal 1.11 on RHEL 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "1.11-19",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "web-terminal/web-terminal-rhel9-operator",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:webterminal:1.11::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Web Terminal 1.11 on RHEL 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "1.11-8",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "web-terminal/web-terminal-tooling-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:webterminal:1.12::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Web Terminal 1.12 on RHEL 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "1.12-4",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "web-terminal/web-terminal-tooling-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:cert_manager:1.16::el9"
          ],
          "vendor": "Red Hat",
          "product": "cert-manager operator for Red Hat OpenShift 1.16",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:330e8b5ab4841a21f8f5f23cc7fb192197872f11639b12bf4b1e70831f636323",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "cert-manager/jetstack-cert-manager-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:openshift_compliance_operator:1::el9"
          ],
          "vendor": "Red Hat",
          "product": "Compliance Operator 1",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:c953e9f9abf9cf25bf65bb3ffdc86ccf49b3e69a1cf3fbb47b6972e421fd6628",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "compliance/openshift-compliance-openscap-rhel8",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:discovery:2::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Discovery 2",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:c85cfbcaf7888885e57596b7b8bde3894718cfc33326499b24961a66a62cf083",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "discovery/discovery-server-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:insights_proxy:1.5::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Insights proxy 1.5",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "insights-proxy/insights-proxy-container-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:confidential_compute_attestation:1.10::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat OpenShift sandboxed containers 1.1",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:24722900db1425bf0c27f6ad6f3fb7d79ff9ebc433bdab58423fa71bab76122b",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "openshift-sandboxed-containers/osc-cloud-api-adaptor-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:confidential_compute_attestation:1.10::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat OpenShift sandboxed containers 1.1",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:f5e1602d72177d77f1b879c76e6f6cfbc2979c136c06ca9f03ea97ffb369b7a6",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "openshift-sandboxed-containers/osc-monitor-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:confidential_compute_attestation:1.10::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat OpenShift sandboxed containers 1.1",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:cead623ceda4048cabaa81c371ed2a8143f5c5514276fca1d71685bd9e6d1e65",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "openshift-sandboxed-containers/osc-podvm-builder-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:confidential_compute_attestation:1.10::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat OpenShift sandboxed containers 1.1",
          "versions": [
            {
              "status": "unaffected",
              "version": "sha256:59fb1f7f1653361d94f7d48b42d8fe19ed3263c1c78654837c11f2135544c1ac",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "openshift-sandboxed-containers/osc-podvm-payload-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-08-13T15:15:41.873",
  "references": [
    {
      "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/errata/RHSA-2025:17181",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:18219",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:21885",
      "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",
      "source": "secalert@redhat.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "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 encontró una falla en linux-pam. El módulo pam_namespace podría gestionar incorrectamente las rutas controladas por el usuario, lo que permite a los usuarios locales explotar ataques de enlaces simbólicos y condiciones de ejecución para elevar sus privilegios a root. Esta CVE proporciona una solución completa para CVE-2025-6020."
    }
  ],
  "lastModified": "2026-06-17T10:07:59.507",
  "sourceIdentifier": "secalert@redhat.com"
}