usn-7580-1
Vulnerability from osv_ubuntu
Published
2025-06-18 16:28
Modified
2026-04-27 14:11
Summary
pam vulnerability
Details

Olivier BAL-PETRE discovered that the PAM pam_namespace module incorrectly handled user-controlled paths. In environments where pam_namespace is used, a local attacker could possibly use this issue to escalate their privileges to root.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-6020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpam-cracklib",
            "binary_version": "1.4.0-11ubuntu2.6"
          },
          {
            "binary_name": "libpam-modules",
            "binary_version": "1.4.0-11ubuntu2.6"
          },
          {
            "binary_name": "libpam-modules-bin",
            "binary_version": "1.4.0-11ubuntu2.6"
          },
          {
            "binary_name": "libpam-runtime",
            "binary_version": "1.4.0-11ubuntu2.6"
          },
          {
            "binary_name": "libpam0g",
            "binary_version": "1.4.0-11ubuntu2.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "pam",
        "purl": "pkg:deb/ubuntu/pam@1.4.0-11ubuntu2.6?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.0-11ubuntu2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.1-5ubuntu11",
        "1.4.0-10ubuntu1",
        "1.4.0-10ubuntu2",
        "1.4.0-11ubuntu1",
        "1.4.0-11ubuntu2",
        "1.4.0-11ubuntu2.1",
        "1.4.0-11ubuntu2.3",
        "1.4.0-11ubuntu2.4",
        "1.4.0-11ubuntu2.5"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-6020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpam-modules",
            "binary_version": "1.5.3-5ubuntu5.4"
          },
          {
            "binary_name": "libpam-modules-bin",
            "binary_version": "1.5.3-5ubuntu5.4"
          },
          {
            "binary_name": "libpam-runtime",
            "binary_version": "1.5.3-5ubuntu5.4"
          },
          {
            "binary_name": "libpam0g",
            "binary_version": "1.5.3-5ubuntu5.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "pam",
        "purl": "pkg:deb/ubuntu/pam@1.5.3-5ubuntu5.4?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.5.3-5ubuntu5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.2-6ubuntu1",
        "1.5.2-9.1ubuntu1",
        "1.5.2-9.1ubuntu2",
        "1.5.2-9.1ubuntu3",
        "1.5.3-5ubuntu3",
        "1.5.3-5ubuntu4",
        "1.5.3-5ubuntu5",
        "1.5.3-5ubuntu5.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Olivier BAL-PETRE discovered that the PAM pam_namespace module incorrectly\nhandled user-controlled paths. In environments where pam_namespace is used,\na local attacker could possibly use this issue to escalate their privileges\nto root.\n",
  "id": "USN-7580-1",
  "modified": "2026-04-27T14:11:43Z",
  "published": "2025-06-18T16:28:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7580-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-6020"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "pam vulnerability",
  "upstream": [
    "UBUNTU-CVE-2025-6020"
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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