{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-25809",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2023-02-15T16:34:48.772Z",
        "datePublished": "2023-03-29T18:22:56.875Z",
        "dateUpdated": "2024-08-02T11:32:12.344Z"
    },
    "containers": {
        "cna": {
            "title": "rootless: `/sys/fs/cgroup` is writable when cgroupns isn't unshared in runc",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-281",
                            "lang": "en",
                            "description": "CWE-281: Improper Preservation of Permissions",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "LOW",
                        "baseScore": 5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "HIGH",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc"
                },
                {
                    "name": "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17"
                }
            ],
            "affected": [
                {
                    "vendor": "opencontainers",
                    "product": "runc",
                    "versions": [
                        {
                            "version": "< 1.1.5",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2023-03-29T18:22:56.875Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "runc is a CLI tool for spawning and running containers according to the OCI specification. In affected versions it was found that rootless runc makes `/sys/fs/cgroup` writable in following conditons: 1. when runc is executed inside the user namespace, and the `config.json` does not specify the cgroup namespace to be unshared (e.g.., `(docker|podman|nerdctl) run --cgroupns=host`, with Rootless Docker/Podman/nerdctl) or 2. when runc is executed outside the user namespace, and `/sys` is mounted with `rbind, ro` (e.g., `runc spec --rootless`; this condition is very rare). A container may gain the write access to user-owned cgroup hierarchy `/sys/fs/cgroup/user.slice/...` on the host . Other users's cgroup hierarchies are not affected. Users are advised to upgrade to version 1.1.5. Users unable to upgrade may unshare the cgroup namespace (`(docker|podman|nerdctl) run --cgroupns=private)`. This is the default behavior of Docker/Podman/nerdctl on cgroup v2 hosts. or add `/sys/fs/cgroup` to `maskedPaths`.\n"
                }
            ],
            "source": {
                "advisory": "GHSA-m8cg-xc2p-r3fc",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T11:32:12.344Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc",
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc"
                    },
                    {
                        "name": "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17",
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17"
                    }
                ]
            }
        ]
    }
}