USN-4960-1

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Source
https://ubuntu.com/security/notices/USN-4960-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4960-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4960-1
Upstream
Related
Published
2021-05-19T10:41:11.248010Z
Modified
2025-07-16T08:54:48.068102Z
Summary
runc vulnerability
Details

Etienne Champetier discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount the host filesystem into the container and escalate privileges.

References

Affected packages

Ubuntu:18.04:LTS / runc

Package

Name
runc
Purl
pkg:deb/ubuntu/runc@1.0.0~rc93-0ubuntu1~18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.0~rc93-0ubuntu1~18.04.2

Affected versions

1.*

1.0.0~rc2+docker1.13.1-0ubuntu1
1.0.0~rc4+dfsg1-2
1.0.0~rc4+dfsg1-6
1.0.0~rc4+dfsg1-6ubuntu0.18.04.1
1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.1
1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2
1.0.0~rc10-0ubuntu1~18.04.1
1.0.0~rc10-0ubuntu1~18.04.2
1.0.0~rc93-0ubuntu1~18.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.0.0~rc93-0ubuntu1~18.04.2"
        },
        {
            "binary_name": "runc",
            "binary_version": "1.0.0~rc93-0ubuntu1~18.04.2"
        },
        {
            "binary_name": "runc-dbgsym",
            "binary_version": "1.0.0~rc93-0ubuntu1~18.04.2"
        }
    ]
}

Ubuntu:20.04:LTS / runc

Package

Name
runc
Purl
pkg:deb/ubuntu/runc@1.0.0~rc93-0ubuntu1~20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.0~rc93-0ubuntu1~20.04.2

Affected versions

1.*

1.0.0~rc8+git20190923.3e425f80-0ubuntu1
1.0.0~rc10-0ubuntu1
1.0.0~rc93-0ubuntu1~20.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.0.0~rc93-0ubuntu1~20.04.2"
        },
        {
            "binary_name": "runc",
            "binary_version": "1.0.0~rc93-0ubuntu1~20.04.2"
        },
        {
            "binary_name": "runc-dbgsym",
            "binary_version": "1.0.0~rc93-0ubuntu1~20.04.2"
        }
    ]
}