USN-5323-1

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Source
https://ubuntu.com/security/notices/USN-5323-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5323-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5323-1
Upstream
Related
Published
2022-03-14T10:54:31.440958Z
Modified
2025-10-13T04:35:49Z
Summary
nbd vulnerabilities
Details

It was discovered that NBD incorrectly handled name length fields. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:18.04:LTS / nbd

Package

Name
nbd
Purl
pkg:deb/ubuntu/nbd@1:3.16.2-1ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:3.16.2-1ubuntu0.2

Affected versions

1:3.*

1:3.15.2-3
1:3.16.2-1
1:3.16.2-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:3.16.2-1ubuntu0.2",
            "binary_name": "nbd-client"
        },
        {
            "binary_version": "1:3.16.2-1ubuntu0.2",
            "binary_name": "nbd-server"
        }
    ]
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2022-26495"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2022-26496"
            }
        ]
    }
}

Ubuntu:20.04:LTS / nbd

Package

Name
nbd
Purl
pkg:deb/ubuntu/nbd@1:3.20-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:3.20-1ubuntu0.1

Affected versions

1:3.*

1:3.19-3
1:3.20-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:3.20-1ubuntu0.1",
            "binary_name": "nbd-client"
        },
        {
            "binary_version": "1:3.20-1ubuntu0.1",
            "binary_name": "nbd-server"
        }
    ]
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2022-26495"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2022-26496"
            }
        ]
    }
}