USN-7826-1

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-7826-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7826-1
Upstream
Related
Published
2025-10-16T07:48:07.605857Z
Modified
2025-10-16T19:47:46.868792Z
Summary
samba vulnerabilities
Details

Andrew Walker discovered that Samba incorrectly initialized memory in the vfsstreamsxattr 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

Affected packages

Ubuntu:22.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu1.10?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.15.13+dfsg-0ubuntu1.10

Affected versions

2:4.*

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10",
            "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": "libsmbclient-dev"
        },
        {
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10",
            "binary_name": "libwbclient-dev"
        },
        {
            "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-dev"
        },
        {
            "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"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.19.5+dfsg-4ubuntu9.4?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.19.5+dfsg-4ubuntu9.4

Affected versions

2:4.*

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "ctdb"
        },
        {
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "ldb-tools"
        },
        {
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "libldb-dev"
        },
        {
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "libldb2"
        },
        {
            "binary_version": "2:4.19.5+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": "libsmbclient-dev"
        },
        {
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "libsmbclient0"
        },
        {
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "libwbclient-dev"
        },
        {
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "libwbclient0"
        },
        {
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "python3-ldb"
        },
        {
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4",
            "binary_name": "python3-ldb-dev"
        },
        {
            "binary_version": "2:4.19.5+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-dev"
        },
        {
            "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"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.22.3+dfsg-4ubuntu2.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.22.3+dfsg-4ubuntu2.1

Affected versions

2:4.*

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "ctdb"
        },
        {
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "ldb-tools"
        },
        {
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libldb-dev"
        },
        {
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libldb2"
        },
        {
            "binary_version": "2:4.22.3+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": "libsmbclient-dev"
        },
        {
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libsmbclient0"
        },
        {
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libtalloc-dev"
        },
        {
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libtalloc2"
        },
        {
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libtdb-dev"
        },
        {
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libtdb1"
        },
        {
            "binary_version": "2:0.16.2+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libtevent-dev"
        },
        {
            "binary_version": "2:0.16.2+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libtevent0t64"
        },
        {
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libwbclient-dev"
        },
        {
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "libwbclient0"
        },
        {
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "python3-ldb"
        },
        {
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "python3-samba"
        },
        {
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "python3-talloc"
        },
        {
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "python3-tdb"
        },
        {
            "binary_version": "2:4.22.3+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-dev"
        },
        {
            "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": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "tdb-tools"
        },
        {
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1",
            "binary_name": "winbind"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.04 / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.21.4+dfsg-1ubuntu3.5?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.21.4+dfsg-1ubuntu3.5

Affected versions

2:4.*

2:4.20.4+dfsg-1ubuntu1
2:4.20.4+dfsg-1ubuntu2
2:4.20.4+dfsg-1ubuntu3
2:4.20.4+dfsg-1ubuntu5
2:4.21.4+dfsg-1ubuntu2
2:4.21.4+dfsg-1ubuntu3
2:4.21.4+dfsg-1ubuntu3.1
2:4.21.4+dfsg-1ubuntu3.2
2:4.21.4+dfsg-1ubuntu3.3
2:4.21.4+dfsg-1ubuntu3.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "ctdb"
        },
        {
            "binary_version": "2:2.10.0+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "ldb-tools"
        },
        {
            "binary_version": "2:2.10.0+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libldb-dev"
        },
        {
            "binary_version": "2:2.10.0+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libldb2"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libnss-winbind"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libpam-winbind"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libsmbclient-dev"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libsmbclient0"
        },
        {
            "binary_version": "2:2.4.2+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libtalloc-dev"
        },
        {
            "binary_version": "2:2.4.2+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libtalloc2"
        },
        {
            "binary_version": "2:1.4.12+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libtdb-dev"
        },
        {
            "binary_version": "2:1.4.12+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libtdb1"
        },
        {
            "binary_version": "2:0.16.1+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libtevent-dev"
        },
        {
            "binary_version": "2:0.16.1+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libtevent0t64"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libwbclient-dev"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "libwbclient0"
        },
        {
            "binary_version": "2:2.10.0+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "python3-ldb"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "python3-samba"
        },
        {
            "binary_version": "2:2.4.2+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "python3-talloc"
        },
        {
            "binary_version": "2:1.4.12+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "python3-tdb"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "registry-tools"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-ad-dc"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-ad-provision"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-common"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-common-bin"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-dev"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-dsdb-modules"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-libs"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-testsuite"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-vfs-ceph"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-vfs-glusterfs"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-vfs-modules"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "samba-vfs-modules-extra"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "smbclient"
        },
        {
            "binary_version": "2:1.4.12+samba4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "tdb-tools"
        },
        {
            "binary_version": "2:4.21.4+dfsg-1ubuntu3.5",
            "binary_name": "winbind"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:25.04",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}