USN-8102-1

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Source
https://ubuntu.com/security/notices/USN-8102-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8102-1
Upstream
Related
Published
2026-03-17T14:21:34Z
Modified
2026-04-27T18:37:56.716629Z
Summary
snapd vulnerability
Details

Qualys discovered that snapd incorrectly handled certain operations in the snap's private /tmp directory. If systemd-tmpfiles is enabled to automatically clean up this directory, a local attacker could possibly use this issue to re-create the deleted directory, resulting in privilege escalation.

References

Affected packages

Ubuntu:22.04:LTS
snapd

Package

Name
snapd
Purl
pkg:deb/ubuntu/snapd@2.73+ubuntu22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.73+ubuntu22.04.1

Affected versions

2.*
2.53+21.10ubuntu1
2.54.2+22.04ubuntu1
2.54.2+22.04ubuntu2
2.54.2+22.04ubuntu3
2.54.3+git19.g868fc21+22.04
2.54.3+git26.g360067e+22.04
2.55.2+22.04
2.55.2+22.04.1
2.55.3+22.04
2.55.3+22.04ubuntu1
2.55.5+22.04
2.56.2+22.04ubuntu1
2.57.4+22.04
2.57.5+22.04
2.57.5+22.04ubuntu0.1
2.58+22.04
2.58+22.04.1
2.61.3+22.04
2.62+22.04
2.63+22.04
2.63+22.04ubuntu0.1
2.65.3+22.04
2.66.1+22.04
2.67.1+22.04
2.68.5+ubuntu22.04.1
2.71+ubuntu22.04
2.72+ubuntu22.04
2.73+ubuntu22.04

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "snap-confine",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "snapd",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.73+ubuntu22.04.1"
        },
        {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.73+ubuntu22.04.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-3888",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json"
Ubuntu:24.04:LTS
snapd

Package

Name
snapd
Purl
pkg:deb/ubuntu/snapd@2.73+ubuntu24.04.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.73+ubuntu24.04.1

Affected versions

2.*
2.60.4+23.10
2.61.3+24.04
2.62+24.04build1
2.63+24.04
2.63+24.04ubuntu0.1
2.63.1+24.04
2.65.3+24.04
2.66.1+24.04
2.67.1+24.04
2.68.5+ubuntu24.04.1
2.71+ubuntu24.04
2.72+ubuntu24.04
2.73+ubuntu24.04

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "snap-confine",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "snapd",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.73+ubuntu24.04.1"
        },
        {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.73+ubuntu24.04.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json"
Ubuntu:25.10
snapd

Package

Name
snapd
Purl
pkg:deb/ubuntu/snapd@2.73+ubuntu25.10.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.73+ubuntu25.10.1

Affected versions

2.*
2.67.1+25.04
2.68.5+ubuntu25.10.2
2.71+ubuntu25.10
2.71.1+ubuntu25.10.1
2.72+ubuntu25.10.2
2.73+ubuntu25.10

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "snap-confine",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "snapd",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.73+ubuntu25.10.1"
        },
        {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.73+ubuntu25.10.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-3888",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json"
Ubuntu:Pro:16.04:LTS
snapd

Package

Name
snapd
Purl
pkg:deb/ubuntu/snapd@2.61.4ubuntu0.16.04.1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.61.4ubuntu0.16.04.1+esm2

Affected versions

1.*
1.9
1.9.1.1
1.9.2
2.*
2.0
2.0.1
2.0.2
2.0.3
2.0.5
2.0.8
2.0.9
2.0.10
2.11+0.16.04
2.12+0.16.04
2.13
2.14.2~16.04
2.15.2ubuntu1
2.16ubuntu3
2.17.1ubuntu1
2.20.1ubuntu1
2.21
2.22.2
2.22.3
2.22.6
2.23.1
2.24.1
2.25
2.26.10
2.27.5
2.28.5
2.29.4.2
2.32.3.2
2.32.9
2.33.1ubuntu2
2.34.2
2.34.2ubuntu0.1
2.37.4
2.37.4ubuntu0.1
2.38
2.39.2
2.39.2ubuntu0.2
2.40
2.42.1
2.45.1
2.45.1ubuntu0.2
2.46.1
2.47.1
2.48
2.48.3
2.54.3+16.04~esm2
2.54.3+16.04.0ubuntu0.1~esm3
2.54.3+16.04.0ubuntu0.1~esm4
2.54.3+16.04.0ubuntu0.1~esm5
2.54.3+16.04.0ubuntu0.1~esm6
2.61.4ubuntu0.16.04.1+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "snap-confine",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "snapd",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-3888",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json"
Ubuntu:Pro:18.04:LTS
snapd

Package

Name
snapd
Purl
pkg:deb/ubuntu/snapd@2.61.4ubuntu0.18.04.1+esm2?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.61.4ubuntu0.18.04.1+esm2

Affected versions

2.*
2.28.5+17.10
2.29.4.1+18.04
2.29.4.2+18.04
2.31.1+18.04
2.32+18.04~pre5
2.32+18.04~pre6
2.32+18.04
2.32.3.2+18.04
2.32.5+18.04
2.32.8+18.04
2.32.9+18.04
2.33.1+18.04ubuntu2
2.34.2+18.04
2.34.2+18.04.1
2.37.1+18.04
2.37.1.1+18.04
2.37.4+18.04
2.37.4+18.04.1
2.38+18.04
2.39.2+18.04
2.40+18.04
2.42.1+18.04
2.45.1+18.04
2.45.1+18.04.2
2.46.1+18.04
2.47.1+18.04
2.48+18.04
2.48.3+18.04
2.49.2+18.04
2.51.1+18.04
2.54.2+18.04ubuntu1
2.54.3+18.04
2.54.3+18.04.2ubuntu0.1
2.54.3+18.04.2ubuntu0.2
2.55.5+18.04
2.57.5+18.04
2.57.5+18.04ubuntu0.1
2.58+18.04
2.58+18.04.1
2.61.4ubuntu0.18.04.1+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "snap-confine",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "snapd",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        },
        {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-3888",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json"
Ubuntu:Pro:20.04:LTS
snapd

Package

Name
snapd
Purl
pkg:deb/ubuntu/snapd@2.67.1+20.04ubuntu1~esm1?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.67.1+20.04ubuntu1~esm1

Affected versions

2.*
2.41+19.10.1
2.42.1+20.04
2.43.3+git1.8109f8
2.44~pre1+20.04
2.44+20.04
2.44.2+20.04
2.44.3+20.04
2.45.1+20.04
2.45.1+20.04.2
2.46.1+20.04
2.47.1+20.04
2.48+20.04
2.48.3+20.04
2.49.2+20.04
2.51.1+20.04ubuntu2
2.54.2+20.04ubuntu2
2.54.3+20.04
2.54.3+20.04.1
2.54.3+20.04.1ubuntu0.1
2.54.3+20.04.1ubuntu0.2
2.54.3+20.04.1ubuntu0.3
2.55.5+20.04
2.57.5+20.04
2.57.5+20.04ubuntu0.1
2.58+20.04
2.58+20.04.1
2.61.3+20.04
2.62+20.04
2.63+20.04
2.63+20.04ubuntu0.1
2.65.3+20.04
2.66.1+20.04
2.67.1+20.04

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "snap-confine",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "snapd",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        },
        {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.67.1+20.04ubuntu1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-3888",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8102-1.json"