USN-8826-1

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Source
https://ubuntu.com/security/notices/USN-8826-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-8826-1
Upstream
CVE (2)
Related
UBUNTU (2)
Published
2026-09-28T05:47:13Z
Modified
2026-09-28T11:42:19Z
Summary
lxc vulnerabilities
Details

Maher Azzouzi discovered that LXC did not correctly handle logging certain failure messages. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2022-47952)

Sam Sanoop discovered that LXC did not correctly handle certain forms of user authorization. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-39402)

References

Affected packages

Ubuntu:Pro:16.04:LTS
lxc

Package

Name
lxc
Purl
pkg:deb/ubuntu/lxc?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.0.11-0ubuntu1~16.04.3+esm1

Affected versions

1.*
1.1.4-0ubuntu1
1.1.4-0ubuntu1.1
1.1.4-0ubuntu3
1.1.5-0ubuntu1
1.1.5-0ubuntu2
1.1.5-0ubuntu3
1.1.5-0ubuntu4
1.1.5-0ubuntu5
1.1.5-0ubuntu6
2.*
2.0.0~beta2-0ubuntu2
2.0.0~rc1-0ubuntu1
2.0.0~rc2-0ubuntu2
2.0.0~rc3-0ubuntu1
2.0.0~rc3-0ubuntu2
2.0.0~rc3-0ubuntu3
2.0.0~rc4-0ubuntu1
2.0.0~rc5-0ubuntu1
2.0.0~rc9-0ubuntu1
2.0.0~rc10-0ubuntu1
2.0.0~rc10-0ubuntu2
2.0.0~rc11-0ubuntu1
2.0.0~rc12-0ubuntu1
2.0.0~rc13-0ubuntu2
2.0.0~rc14-0ubuntu2
2.0.0~rc15-0ubuntu1
2.0.0-0ubuntu1
2.0.0-0ubuntu2
2.0.1-0ubuntu1~16.04.1
2.0.3-0ubuntu1~ubuntu16.04.1
2.0.4-0ubuntu1~ubuntu16.04.2
2.0.5-0ubuntu1~ubuntu16.04.1
2.0.5-0ubuntu1~ubuntu16.04.2
2.0.5-0ubuntu1~ubuntu16.04.3
2.0.6-0ubuntu1~ubuntu16.04.1
2.0.6-0ubuntu1~ubuntu16.04.2
2.0.7-0ubuntu1~16.04.1
2.0.7-0ubuntu1~16.04.2
2.0.8-0ubuntu1~16.04.2
2.0.11-0ubuntu1~16.04.3

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "liblxc1",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "lua-lxc",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "lxc",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "lxc-common",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "lxc-templates",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "lxc-tests",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "lxc1",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name":  "python3-lxc",
            "binary_version":  "2.0.11-0ubuntu1~16.04.3+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2022-47952",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2026-39402",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json"
Ubuntu:Pro:18.04:LTS
lxc

Package

Name
lxc
Purl
pkg:deb/ubuntu/lxc?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.0.3-0ubuntu1~18.04.3+esm1

Affected versions

2.*
2.1.0-0ubuntu1
2.1.1-0ubuntu1
3.*
3.0.0~beta1-0ubuntu3
3.0.0~beta2-0ubuntu2
3.0.0~beta3-0ubuntu1
3.0.0~beta4-0ubuntu1
3.0.0-0ubuntu1
3.0.0-0ubuntu2
3.0.1-0ubuntu1~18.04.1
3.0.1-0ubuntu1~18.04.2
3.0.2-0ubuntu1~18.04.1
3.0.3-0ubuntu1~18.04.1
3.0.3-0ubuntu1~18.04.3

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "liblxc-common",
            "binary_version":  "3.0.3-0ubuntu1~18.04.3+esm1"
        },
        {
            "binary_name":  "liblxc1",
            "binary_version":  "3.0.3-0ubuntu1~18.04.3+esm1"
        },
        {
            "binary_name":  "libpam-cgfs",
            "binary_version":  "3.0.3-0ubuntu1~18.04.3+esm1"
        },
        {
            "binary_name":  "lxc",
            "binary_version":  "3.0.3-0ubuntu1~18.04.3+esm1"
        },
        {
            "binary_name":  "lxc-utils",
            "binary_version":  "3.0.3-0ubuntu1~18.04.3+esm1"
        },
        {
            "binary_name":  "lxc1",
            "binary_version":  "3.0.3-0ubuntu1~18.04.3+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2022-47952",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2026-39402",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json"
Ubuntu:Pro:20.04:LTS
lxc

Package

Name
lxc
Purl
pkg:deb/ubuntu/lxc?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:4.0.12-0ubuntu1~20.04.1+esm1

Affected versions

3.*
3.0.4-0ubuntu1
3.0.4-0ubuntu2
1:4.*
1:4.0.0-0ubuntu2
1:4.0.1-0ubuntu1
1:4.0.1-0ubuntu2
1:4.0.2-0ubuntu1
1:4.0.6-0ubuntu1~20.04.1
1:4.0.12-0ubuntu1~20.04.1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "liblxc-common",
            "binary_version":  "1:4.0.12-0ubuntu1~20.04.1+esm1"
        },
        {
            "binary_name":  "liblxc1",
            "binary_version":  "1:4.0.12-0ubuntu1~20.04.1+esm1"
        },
        {
            "binary_name":  "libpam-cgfs",
            "binary_version":  "1:4.0.12-0ubuntu1~20.04.1+esm1"
        },
        {
            "binary_name":  "lxc",
            "binary_version":  "1:4.0.12-0ubuntu1~20.04.1+esm1"
        },
        {
            "binary_name":  "lxc-utils",
            "binary_version":  "1:4.0.12-0ubuntu1~20.04.1+esm1"
        },
        {
            "binary_name":  "lxc1",
            "binary_version":  "1:4.0.12-0ubuntu1~20.04.1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2022-47952",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2026-39402",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json"
Ubuntu:Pro:22.04:LTS
lxc

Package

Name
lxc
Purl
pkg:deb/ubuntu/lxc?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1

Affected versions

1:4.*
1:4.0.10-0ubuntu5
1:4.0.12-0ubuntu1
1:4.0.12-0ubuntu2
1:5.*
1:5.0.0~git2209-g5a7b9ce67-0ubuntu1
1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "liblxc-common",
            "binary_version":  "1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1"
        },
        {
            "binary_name":  "liblxc1",
            "binary_version":  "1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1"
        },
        {
            "binary_name":  "libpam-cgfs",
            "binary_version":  "1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1"
        },
        {
            "binary_name":  "lxc",
            "binary_version":  "1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1"
        },
        {
            "binary_name":  "lxc-utils",
            "binary_version":  "1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1"
        },
        {
            "binary_name":  "lxc1",
            "binary_version":  "1:5.0.0~git2209-g5a7b9ce67-0ubuntu1.1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2022-47952",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2026-39402",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json"
Ubuntu:Pro:24.04:LTS
lxc

Package

Name
lxc
Purl
pkg:deb/ubuntu/lxc?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:5.0.3-2ubuntu7.3+esm1

Affected versions

1:5.*
1:5.0.1-0ubuntu7
1:5.0.1-0ubuntu8
1:5.0.3-2ubuntu5
1:5.0.3-2ubuntu7
1:5.0.3-2ubuntu7.1
1:5.0.3-2ubuntu7.2
1:5.0.3-2ubuntu7.3

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "liblxc-common",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        },
        {
            "binary_name":  "liblxc1t64",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        },
        {
            "binary_name":  "libpam-cgfs",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        },
        {
            "binary_name":  "lxc",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        },
        {
            "binary_name":  "lxc-tests",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        },
        {
            "binary_name":  "lxc-utils",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        },
        {
            "binary_name":  "lxc1",
            "binary_version":  "1:5.0.3-2ubuntu7.3+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2022-47952",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2026-39402",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json"
Ubuntu:Pro:26.04:LTS
lxc

Package

Name
lxc
Purl
pkg:deb/ubuntu/lxc?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:6.0.6-1ubuntu1+esm1

Affected versions

1:6.*
1:6.0.4-4ubuntu1
1:6.0.6-1
1:6.0.6-1ubuntu1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "liblxc-common",
            "binary_version":  "1:6.0.6-1ubuntu1+esm1"
        },
        {
            "binary_name":  "liblxc1t64",
            "binary_version":  "1:6.0.6-1ubuntu1+esm1"
        },
        {
            "binary_name":  "libpam-cgfs",
            "binary_version":  "1:6.0.6-1ubuntu1+esm1"
        },
        {
            "binary_name":  "lxc",
            "binary_version":  "1:6.0.6-1ubuntu1+esm1"
        },
        {
            "binary_name":  "lxc-tests",
            "binary_version":  "1:6.0.6-1ubuntu1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-39402",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8826-1.json"