usn-7826-1
Vulnerability from osv_ubuntu
Published
2025-10-16 07:48
Modified
2026-04-22 07:37
Summary
samba vulnerabilities
Details

Andrew Walker discovered that Samba incorrectly initialized memory in the vfs_streams_xattr module. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2025-9640)

Igor Morgenstern discovered that Samba incorrectly handled names passed to the WINS hook program. An attacker could possibly use this issue to execute arbitrary code. (CVE-2025-10230)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-9640",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-10230",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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": "ctdb",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "python3-samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "registry-tools",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba-common",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba-libs",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "smbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          },
          {
            "binary_name": "winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "samba",
        "purl": "pkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu1.10?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:4.15.13+dfsg-0ubuntu1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:4.13.5+dfsg-2ubuntu2",
        "2:4.13.5+dfsg-2ubuntu3",
        "2:4.13.14+dfsg-0ubuntu1",
        "2:4.13.14+dfsg-0ubuntu2",
        "2:4.15.5~dfsg-0ubuntu1",
        "2:4.15.5~dfsg-0ubuntu2",
        "2:4.15.5~dfsg-0ubuntu4",
        "2:4.15.5~dfsg-0ubuntu5",
        "2:4.15.5~dfsg-0ubuntu5.1",
        "2:4.15.9+dfsg-0ubuntu0.2",
        "2:4.15.9+dfsg-0ubuntu0.3",
        "2:4.15.13+dfsg-0ubuntu1",
        "2:4.15.13+dfsg-0ubuntu1.1",
        "2:4.15.13+dfsg-0ubuntu1.2",
        "2:4.15.13+dfsg-0ubuntu1.3",
        "2:4.15.13+dfsg-0ubuntu1.4",
        "2:4.15.13+dfsg-0ubuntu1.5",
        "2:4.15.13+dfsg-0ubuntu1.6",
        "2:4.15.13+dfsg-0ubuntu1.7",
        "2:4.15.13+dfsg-0ubuntu1.8",
        "2:4.15.13+dfsg-0ubuntu1.9"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-9640",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-10230",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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": "ctdb",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "ldb-tools",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "libldb2",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "libsmbclient0",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "python3-ldb",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "python3-samba",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "registry-tools",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-ad-dc",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-ad-provision",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-common",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-libs",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "samba-vfs-modules-extra",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "smbclient",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          },
          {
            "binary_name": "winbind",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "samba",
        "purl": "pkg:deb/ubuntu/samba@2:4.19.5+dfsg-4ubuntu9.4?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:4.19.5+dfsg-4ubuntu9.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:4.18.6+dfsg-1ubuntu2",
        "2:4.18.6+dfsg-1ubuntu2.1",
        "2:4.18.6+dfsg-1ubuntu2.2",
        "2:4.19.4+dfsg-3ubuntu1",
        "2:4.19.5+dfsg-1ubuntu1",
        "2:4.19.5+dfsg-4ubuntu7",
        "2:4.19.5+dfsg-4ubuntu8",
        "2:4.19.5+dfsg-4ubuntu9",
        "2:4.19.5+dfsg-4ubuntu9.2",
        "2:4.19.5+dfsg-4ubuntu9.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-9640",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-10230",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ctdb",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "ldb-tools",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libldb2",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libsmbclient0",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libtalloc2",
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libtdb1",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libtevent0t64",
            "binary_version": "2:0.16.2+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "python3-ldb",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "python3-samba",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "python3-talloc",
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "python3-tdb",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "registry-tools",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-ad-dc",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-ad-provision",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-common",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-libs",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-vfs-ceph",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-vfs-glusterfs",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "samba-vfs-modules-extra",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "smbclient",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "tdb-tools",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
          },
          {
            "binary_name": "winbind",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "samba",
        "purl": "pkg:deb/ubuntu/samba@2:4.22.3+dfsg-4ubuntu2.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:4.22.3+dfsg-4ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:4.21.4+dfsg-1ubuntu3",
        "2:4.21.4+dfsg-1ubuntu4",
        "2:4.21.4+dfsg-1ubuntu5",
        "2:4.22.2+dfsg-1ubuntu1",
        "2:4.22.3+dfsg-4ubuntu1",
        "2:4.22.3+dfsg-4ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "Andrew Walker discovered that Samba incorrectly initialized memory in the\nvfs_streams_xattr module. An authenticated attacker could possibly use this\nissue to obtain sensitive information. (CVE-2025-9640)\n\nIgor Morgenstern discovered that Samba incorrectly handled names passed to\nthe WINS hook program. An attacker could possibly use this issue to execute\narbitrary code. (CVE-2025-10230)",
  "id": "USN-7826-1",
  "modified": "2026-04-22T07:37:25Z",
  "published": "2025-10-16T07:48:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7826-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-9640"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-10230"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "samba vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-9640",
    "UBUNTU-CVE-2025-10230"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.