Vulnerability-Lookup

UBUNTU-CVE-2024-40635 (CVE-2024-40635)

Vulnerability from osv_ubuntu – Published: 2025-03-17 22:15 – Updated: 2026-01-30 05:30 – Source website

Details

containerd is an open-source container runtime. A bug was found in containerd prior to versions 1.6.38, 1.7.27, and 2.0.4 where containers launched with a User set as a UID:GID larger than the maximum 32-bit signed integer can cause an overflow condition where the container ultimately runs as root (UID 0). This could cause unexpected behavior for environments that require containers to run as a non-root user. This bug has been fixed in containerd 1.6.38, 1.7.27, and 2.04. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images.

Severity

4.6 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2024-40635	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-40635	REPORT
	https://github.com/containerd/containerd/security…	REPORT
	https://github.com/containerd/containerd/commit/1…	REPORT
	https://github.com/containerd/containerd/commit/9…	REPORT
	https://github.com/containerd/containerd/commit/0…	REPORT
	https://github.com/containerd/containerd/commit/1…	REPORT
	https://github.com/containerd/containerd/commit/c…	REPORT
	https://ubuntu.com/security/notices/USN-7374-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "containerd",
            "binary_version": "1.2.6-0ubuntu1~16.04.6+esm5"
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      },
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      "versions": [
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          }
        ]
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      },
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          "events": [
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        "1.7.19+really1.7.12-0ubuntu4.2",
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    {
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        "1.6.24~ds1-1ubuntu1.2"
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    {
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        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "containerd",
            "binary_version": "2.0.2-0ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "containerd-app",
        "purl": "pkg:deb/ubuntu/containerd-app@2.0.2-0ubuntu2?arch=source\u0026distro=questing"
      },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "details": "containerd is an open-source container runtime. A bug was found in containerd prior to versions 1.6.38, 1.7.27, and 2.0.4 where containers launched with a User set as a `UID:GID` larger than the maximum 32-bit signed integer can cause an overflow condition where the container ultimately runs as root (UID 0). This could cause unexpected behavior for environments that require containers to run as a non-root user. This bug has been fixed in containerd 1.6.38, 1.7.27, and 2.04. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images.",
  "id": "UBUNTU-CVE-2024-40635",
  "modified": "2026-01-30T05:30:59Z",
  "published": "2025-03-17T22:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-40635"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-40635"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containerd/containerd/security/advisories/GHSA-265r-hfxg-fhmg"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containerd/containerd/commit/11504c3fc5f45634f2d93d57743a998194430b82"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containerd/containerd/commit/9639b9625554183d0c4d8d072dccb84fedd2320f"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containerd/containerd/commit/05044ec0a9a75232cad458027ca83437aae3f4da"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containerd/containerd/commit/1a43cb6a1035441f9aca8f5666a9b3ef9e70ab20"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containerd/containerd/commit/cf158e884cfe4812a6c371b59e4ea9bc4c46e51a"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7374-1"
    }
  ],
  "related": [
    "USN-7374-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-40635"
  ]
}

CVE-2024-40635 (GCVE-0-2024-40635)

Vulnerability from cvelistv5 – Published: 2025-03-17 21:32 – Updated: 2025-05-04 22:02

Title

containerd has an integer overflow in User ID handling

Summary

containerd is an open-source container runtime. A bug was found in containerd prior to versions 1.6.38, 1.7.27, and 2.0.4 where containers launched with a User set as a `UID:GID` larger than the maximum 32-bit signed integer can cause an overflow condition where the container ultimately runs as root (UID 0). This could cause unexpected behavior for environments that require containers to run as a non-root user. This bug has been fixed in containerd 1.6.38, 1.7.27, and 2.04. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images.

Severity

4.6 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-18 14:17 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M mitre root Scorecard

References

5 references

URL	Tags
https://github.com/containerd/containerd/security…	x_refsource_CONFIRM
https://github.com/containerd/containerd/commit/0…	x_refsource_MISC
https://github.com/containerd/containerd/commit/1…	x_refsource_MISC
https://github.com/containerd/containerd/commit/c…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

1 product

Vendor	Product	Version
containerd	containerd	Affected: < 1.6.38 Affected: >= 1.7.0-beta.0, < 1.7.27 Affected: >= 2.0.0-beta.0, < 2.0.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-40635",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-18T14:17:05.162920Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2025-05-04T22:02:39.748Z",
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        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00005.html"
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        ],
        "title": "CVE Program Container"
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    "cna": {
      "affected": [
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          "product": "containerd",
          "vendor": "containerd",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.6.38"
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              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "\u003e= 2.0.0-beta.0, \u003c 2.0.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "containerd is an open-source container runtime. A bug was found in containerd prior to versions 1.6.38, 1.7.27, and 2.0.4 where containers launched with a User set as a `UID:GID` larger than the maximum 32-bit signed integer can cause an overflow condition where the container ultimately runs as root (UID 0). This could cause unexpected behavior for environments that require containers to run as a non-root user. This bug has been fixed in containerd 1.6.38, 1.7.27, and 2.04. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
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              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-17T21:32:37.894Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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          "tags": [
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      "source": {
        "advisory": "GHSA-265r-hfxg-fhmg",
        "discovery": "UNKNOWN"
      },
      "title": "containerd has an integer overflow in User ID handling"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-40635",
    "datePublished": "2025-03-17T21:32:37.894Z",
    "dateReserved": "2024-07-08T16:13:15.511Z",
    "dateUpdated": "2025-05-04T22:02:39.748Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

USN-7374-1 (UBUNTU-CVE-2024-40635)

Vulnerability from osv_ubuntu – Published: 2025-03-26 18:53 – Updated: 2026-06-25 10:46 – Source website

Summary

containerd vulnerability

Details

Benjamin Koltermann discovered that containerd incorrectly handled large user id values. This could result in containers possibly being run as root, contrary to expectations.

References

URL

Type

	https://ubuntu.com/security/notices/USN-7374-1	ADVISORY
	https://ubuntu.com/security/CVE-2024-40635	REPORT

JSON

To clipboard

{
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                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
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                }
              ]
            }
          ],
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        }
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                },
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                }
              ]
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          ],
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        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
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          }
        ]
      },
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        "1.6.24~ds1-1ubuntu1.2"
      ]
    }
  ],
  "aliases": [],
  "details": "Benjamin Koltermann discovered that containerd incorrectly handled large\nuser id values. This could result in containers possibly being run as root,\ncontrary to expectations.\n",
  "id": "USN-7374-1",
  "modified": "2026-06-25T10:46:42Z",
  "published": "2025-03-26T18:53:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7374-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-40635"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "containerd vulnerability",
  "upstream": [
    "UBUNTU-CVE-2024-40635"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

UBUNTU-CVE-2024-40635 (CVE-2024-40635)

CVE-2024-40635 (GCVE-0-2024-40635)

USN-7374-1 (UBUNTU-CVE-2024-40635)

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Nomenclature

Related by attack behaviour