Vulnerability-Lookup

CVE-2025-65105 (GCVE-0-2025-65105)

Vulnerability from cvelistv5 – Published: 2025-12-02 17:49 – Updated: 2025-12-02 18:46

Title

Apptainer ineffective application of selinux and apparmor --security options

Summary

Apptainer is an open source container platform. In Apptainer versions less than 1.4.5, a container can disable two of the forms of the little used --security option, in particular the forms --security=apparmor:<profile> and --security=selinux:<label> which otherwise put restrictions on operations that containers can do. The --security option has always been mentioned in Apptainer documentation as being a feature for the root user, although these forms do also work for unprivileged users on systems where the corresponding feature is enabled. Apparmor is enabled by default on Debian-based distributions and SElinux is enabled by default on RHEL-based distributions, but on SUSE it depends on the distribution version. This vulnerability is fixed in 1.4.5.

Severity

4.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-02 18:43 UTC

CWE

CWE-61 - UNIX Symbolic Link (Symlink) Following
CWE-706 - Use of Incorrectly-Resolved Name or Reference

Assigner

GitHub_M mitre root

References

6 references

URL	Tags
https://github.com/apptainer/apptainer/security/a…	x_refsource_CONFIRM
https://github.com/opencontainers/runc/security/a…	x_refsource_MISC
https://github.com/sylabs/singularity/security/ad…	x_refsource_MISC
https://github.com/apptainer/apptainer/pull/3226	x_refsource_MISC
https://github.com/apptainer/apptainer/commit/431…	x_refsource_MISC
https://github.com/apptainer/apptainer/commit/82f…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
apptainer	apptainer	Affected: < 1.4.5	guessed

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2025-65105

Vulnerability from fkie_nvd - Published: 2025-12-02 18:15 - Updated: 2026-06-17 09:55

Severity

4.5 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/apptainer/apptainer/commit/4313b42717e18a4add7dd7503528bc15af905981	Patch
security-advisories@github.com	https://github.com/apptainer/apptainer/commit/82f17900a0c31bc769bf9b4612d271c7068d8bf2	Patch
security-advisories@github.com	https://github.com/apptainer/apptainer/pull/3226	Issue Tracking
security-advisories@github.com	https://github.com/apptainer/apptainer/security/advisories/GHSA-j3rw-fx6g-q46j	Patch, Vendor Advisory
security-advisories@github.com	https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm	Not Applicable
security-advisories@github.com	https://github.com/sylabs/singularity/security/advisories/GHSA-wwrx-w7c9-rf87	Not Applicable

Impacted products

	Vendor	Product	Version
	lfprojects	apptainer	*

JSON

To clipboard

{
  "affected": [
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      "affectedData": [
        {
          "product": "apptainer",
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          "versions": [
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            }
          ]
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      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
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              "matchCriteriaId": "3ABF5585-9632-4E5F-AD97-8C1777DA3F55",
              "versionEndExcluding": "1.4.5",
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            }
          ],
          "negate": false,
          "operator": "OR"
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apptainer is an open source container platform. In Apptainer versions less than 1.4.5, a container can disable two of the forms of the little used --security option, in particular the forms --security=apparmor:\u003cprofile\u003e and --security=selinux:\u003clabel\u003e which otherwise put restrictions on operations that containers can do. The --security option has always been mentioned in Apptainer documentation as being a feature for the root user, although these forms do also work for unprivileged users on systems where the corresponding feature is enabled. Apparmor is enabled by default on Debian-based distributions and SElinux is enabled by default on RHEL-based distributions, but on SUSE it depends on the distribution version. This vulnerability is fixed in 1.4.5."
    }
  ],
  "id": "CVE-2025-65105",
  "lastModified": "2026-06-17T09:55:27.237",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-65105",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-12-02T18:43:58.398576Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-12-02T18:15:48.947",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/apptainer/apptainer/commit/4313b42717e18a4add7dd7503528bc15af905981"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/apptainer/apptainer/commit/82f17900a0c31bc769bf9b4612d271c7068d8bf2"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/apptainer/apptainer/pull/3226"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/apptainer/apptainer/security/advisories/GHSA-j3rw-fx6g-q46j"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://github.com/sylabs/singularity/security/advisories/GHSA-wwrx-w7c9-rf87"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-61"
        },
        {
          "lang": "en",
          "value": "CWE-706"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-J3RW-FX6G-Q46J

Vulnerability from github – Published: 2025-12-02 21:10 – Updated: 2025-12-02 21:10

Summary

Apptainer ineffectively applies selinux and apparmor --security options

Details

Impact

In Apptainer versions less than 1.4.5, a container can disable two of the forms of the little used --security option, in particular the forms --security=apparmor:<profile> and --security=selinux:<label> which otherwise put restrictions on operations that containers can do. The --security option has always been mentioned in Apptainer documentation as being a feature for the root user, although these forms do also work for unprivileged users on systems where the corresponding feature is enabled. Apparmor is enabled by default on Debian-based distributions and SElinux is enabled by default on RHEL-based distributions, but on SUSE it depends on the distribution version.

In addition, a bug in the detection of selinux support in Apptainer's suid mode means that --security selinux:<label> flags may not be applied, even in the absence of an attack. In that case a warning message is emitted indicating that selinux is unavailable, but the warning may be may be overlooked, mis-interpreted, or not seen when apptainer is run from a script or other tool. Failure to apply requested restrictions should result in a fatal error rather than just a warning message.

Patches

Ineffective write of selinux process labels is addressed via an update to the containers/selinux dependency in https://github.com/apptainer/apptainer/pull/3226. That update brings in the upstream fix for https://github.com/advisories/GHSA-cgrx-mc8f-2prm which was for a different but related vulnerability.

Ineffective write of apparmor process profiles is addressed in commit 4313b42.

Failure to detect apparmor / selinux support, when --security flags are provided, is made an error rather than a warning in commit 82f1790.

Workarounds

There are no known workarounds, other than to define system-wide apparmor / selinux policy for Apptainer itself. This would apply to all containers, not just those run with the --security flags, and could impact the operation of Apptainer itself.

References

Thanks to Sylabs for finding this issue, fixing it in https://github.com/sylabs/singularity/security/advisories/GHSA-wwrx-w7c9-rf87 which was easy to import into Apptainer, and disclosing it early to the Apptainer project for a coordinated release.

The related upstream runc disclosure which inspired the investigation is https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm.

Severity

4.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/apptainer/apptainer"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-65105"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-61",
      "CWE-706"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-02T21:10:04Z",
    "nvd_published_at": "2025-12-02T18:15:48Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nIn Apptainer versions less than 1.4.5, a container can disable two of the forms of the little used `--security` option, in particular the forms `--security=apparmor:\u003cprofile\u003e` and `--security=selinux:\u003clabel\u003e` which otherwise put restrictions on operations that containers can do.  The `--security` option has always been mentioned in Apptainer documentation as being a feature for the root user, although these forms do also work for unprivileged users on systems where the corresponding feature is enabled.  Apparmor is enabled by default on Debian-based distributions and SElinux is enabled by default on RHEL-based distributions, but on SUSE it depends on the distribution version.\n\nIn addition, a bug in the detection of selinux support in Apptainer\u0027s suid mode means that `--security selinux:\u003clabel\u003e` flags may not be applied, even in the absence of an attack.  In that case a warning message is emitted indicating that selinux is unavailable, but the warning may be may be overlooked, mis-interpreted, or not seen when apptainer is run from a script or other tool.  Failure to apply requested restrictions should result in a fatal error rather than just a warning message.\n\n### Patches\nIneffective write of selinux process labels is addressed via an update to the containers/selinux dependency in https://github.com/apptainer/apptainer/pull/3226. That update brings in the upstream fix for https://github.com/advisories/GHSA-cgrx-mc8f-2prm which was for a different but related vulnerability.\n\nIneffective write of apparmor process profiles is addressed in commit 4313b42.\n\nFailure to detect apparmor / selinux support, when --security flags are provided, is made an error rather than a warning in commit 82f1790.\n\n### Workarounds\nThere are no known workarounds, other than to define system-wide apparmor / selinux policy for Apptainer itself. This would apply to all containers, not just those run with the `--security` flags, and could impact the operation of Apptainer itself.\n\n### References\nThanks to Sylabs for finding this issue, fixing it in https://github.com/sylabs/singularity/security/advisories/GHSA-wwrx-w7c9-rf87 which was easy to import into Apptainer, and disclosing it early to the Apptainer project for a coordinated release.\n\nThe related upstream runc disclosure which inspired the investigation is https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm.",
  "id": "GHSA-j3rw-fx6g-q46j",
  "modified": "2025-12-02T21:10:04Z",
  "published": "2025-12-02T21:10:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/apptainer/apptainer/security/advisories/GHSA-j3rw-fx6g-q46j"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sylabs/singularity/security/advisories/GHSA-wwrx-w7c9-rf87"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-65105"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apptainer/apptainer/pull/3226"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apptainer/apptainer/commit/4313b42717e18a4add7dd7503528bc15af905981"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apptainer/apptainer/commit/82f17900a0c31bc769bf9b4612d271c7068d8bf2"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apptainer/apptainer"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apptainer ineffectively applies selinux and apparmor --security options"
}

OPENSUSE-SU-2026:10013-1

Vulnerability from csaf_opensuse - Published: 2026-01-07 00:00 - Updated: 2026-09-17 16:49

Summary

apptainer-1.4.5-1.1 on GA media

Severity

Moderate

Scope

6 vulnerabilities in this advisory, including CVE-2025-65105.

CVE-2025-65105

5.3 (Medium)


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

Recommended: 16 products

Open the full advisory

OPENSUSE-SU-2026:20730-1

Vulnerability from csaf_opensuse - Published: 2026-05-14 16:09 - Updated: 2026-09-17 17:32

Summary

Security update for apptainer

Severity

Critical

Scope

20 vulnerabilities in this advisory, including CVE-2025-65105.

CVE-2025-65105

5.3 (Medium)


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

Recommended: 4 products

Open the full advisory

SUSE-SU-2026:0439-1

Vulnerability from csaf_suse - Published: 2026-02-11 09:30 - Updated: 2026-09-16 19:03

Summary

Security update for apptainer

Severity

Important

Scope

10 vulnerabilities in this advisory, including CVE-2025-65105.

CVE-2025-65105

5.3 (Medium)


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

Recommended: 65 products

Open the full advisory

UBUNTU-CVE-2025-65105 (CVE-2025-65105)

Vulnerability from osv_ubuntu – Published: 2025-12-02 18:15 – Updated: 2026-05-20 15:22 – Source website

Details

Apptainer is an open source container platform. In Apptainer versions less than 1.4.5, a container can disable two of the forms of the little used --security option, in particular the forms --security=apparmor: and --security=selinux: which otherwise put restrictions on operations that containers can do. The --security option has always been mentioned in Apptainer documentation as being a feature for the root user, although these forms do also work for unprivileged users on systems where the corresponding feature is enabled. Apparmor is enabled by default on Debian-based distributions and SElinux is enabled by default on RHEL-based distributions, but on SUSE it depends on the distribution version. This vulnerability is fixed in 1.4.5.

Severity

4.5 (Medium)


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

5.3 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2025-65105	REPORT
	https://www.cve.org/CVERecord?id=CVE-2025-65105	REPORT
	https://github.com/apptainer/apptainer/security/a…	REPORT
	https://github.com/apptainer/apptainer/commit/431…	REPORT
	https://github.com/apptainer/apptainer/commit/82f…	REPORT
	https://github.com/apptainer/apptainer/pull/3226	REPORT
	https://github.com/opencontainers/runc/security/a…	REPORT
	https://github.com/sylabs/singularity/security/ad…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "apptainer",
            "binary_version": "1.4.0-6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "apptainer",
        "purl": "pkg:deb/ubuntu/apptainer@1.4.0-6?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.0-5",
        "1.4.0-6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "apptainer",
            "binary_version": "1.4.5-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "apptainer",
        "purl": "pkg:deb/ubuntu/apptainer@1.4.5-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.0-6",
        "1.4.4-1",
        "1.4.4-2",
        "1.4.5-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Apptainer is an open source container platform. In Apptainer versions less than 1.4.5, a container can disable two of the forms of the little used --security option, in particular the forms --security=apparmor:\u003cprofile\u003e and --security=selinux:\u003clabel\u003e which otherwise put restrictions on operations that containers can do. The --security option has always been mentioned in Apptainer documentation as being a feature for the root user, although these forms do also work for unprivileged users on systems where the corresponding feature is enabled. Apparmor is enabled by default on Debian-based distributions and SElinux is enabled by default on RHEL-based distributions, but on SUSE it depends on the distribution version. This vulnerability is fixed in 1.4.5.",
  "id": "UBUNTU-CVE-2025-65105",
  "modified": "2026-05-20T15:22:58Z",
  "published": "2025-12-02T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-65105"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-65105"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/apptainer/apptainer/security/advisories/GHSA-j3rw-fx6g-q46j"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/apptainer/apptainer/commit/4313b42717e18a4add7dd7503528bc15af905981"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/apptainer/apptainer/commit/82f17900a0c31bc769bf9b4612d271c7068d8bf2"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/apptainer/apptainer/pull/3226"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sylabs/singularity/security/advisories/GHSA-wwrx-w7c9-rf87"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-65105"
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-65105 (GCVE-0-2025-65105)

FKIE_CVE-2025-65105

GHSA-J3RW-FX6G-Q46J

Impact

Patches

Workarounds

References

OPENSUSE-SU-2026:10013-1

OPENSUSE-SU-2026:20730-1

SUSE-SU-2026:0439-1

UBUNTU-CVE-2025-65105 (CVE-2025-65105)

Tags

Sightings

Nomenclature

Related by attack behaviour