{
  "GSD": {
    "alias": "CVE-2023-25809",
    "id": "GSD-2023-25809"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-25809"
      ],
      "details": "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\u0027s 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`.",
      "id": "GSD-2023-25809",
      "modified": "2023-12-13T01:20:41.021661Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-25809",
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      "affects": {
        "vendor": {
          "vendor_data": [
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              "product": {
                "product_data": [
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                    "product_name": "runc",
                    "version": {
                      "version_data": [
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                          "version_affected": "=",
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            "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\u0027s 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`."
          }
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      },
      "impact": {
        "cvss": [
          {
            "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"
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      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-281",
                "lang": "eng",
                "value": "CWE-281: Improper Preservation of Permissions"
              }
            ]
          }
        ]
      },
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          {
            "name": "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc",
            "refsource": "MISC",
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          },
          {
            "name": "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17",
            "refsource": "MISC",
            "url": "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17"
          }
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      },
      "source": {
        "advisory": "GHSA-m8cg-xc2p-r3fc",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003cv1.1.5",
          "affected_versions": "All versions before 1.1.5",
          "cwe_ids": [
            "CWE-1035",
            "CWE-281",
            "CWE-937"
          ],
          "date": "2023-03-30",
          "description": "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 user\u0027s 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`.",
          "fixed_versions": [
            "v1.1.5"
          ],
          "identifier": "CVE-2023-25809",
          "identifiers": [
            "GHSA-m8cg-xc2p-r3fc",
            "CVE-2023-25809"
          ],
          "not_impacted": "All versions starting from 1.1.5",
          "package_slug": "go/github.com/opencontainers/runc",
          "pubdate": "2023-03-30",
          "solution": "Upgrade to version 1.1.5 or above.",
          "title": "Improper Preservation of Permissions",
          "urls": [
            "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc",
            "https://nvd.nist.gov/vuln/detail/CVE-2023-25809",
            "https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17",
            "https://github.com/advisories/GHSA-m8cg-xc2p-r3fc"
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          "uuid": "fa1a6b4a-daa2-4ba8-8377-c97eb38309dc",
          "versions": [
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              "commit": {
                "sha": "4ef48971e5d827018b74876a06e32ab7636f0a26",
                "tags": [
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                ],
                "timestamp": "20230329064553"
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              "number": "v1.1.5"
            }
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        },
        {
          "affected_range": "\u003cv1.1.5",
          "affected_versions": "All versions before 1.1.5",
          "cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
          "cwe_ids": [
            "CWE-1035",
            "CWE-281",
            "CWE-937"
          ],
          "date": "2023-04-06",
          "description": "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 user\u0027s 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`.",
          "fixed_versions": [
            "v1.1.5"
          ],
          "identifier": "CVE-2023-25809",
          "identifiers": [
            "CVE-2023-25809",
            "GHSA-m8cg-xc2p-r3fc"
          ],
          "not_impacted": "All versions starting from 1.1.5",
          "package_slug": "go/github.com/opencontainers/runc/libcontainer",
          "pubdate": "2023-03-29",
          "solution": "Upgrade to version 1.1.5 or above.",
          "title": "Improper Preservation of Permissions",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2023-25809",
            "https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc",
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      "impact": {
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          "cvssV3": {
            "attackComplexity": "LOW",
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            "baseScore": 6.3,
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          "impactScore": 3.7
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      },
      "lastModifiedDate": "2023-04-06T17:41Z",
      "publishedDate": "2023-03-29T19:15Z"
    }
  }
}