github - ghsa-xrmj-c7vj-9c4m

GHSA-XRMJ-C7VJ-9C4M

Vulnerability from github – Published: 2022-05-13 01:02 – Updated: 2025-04-12 12:59

Details

The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2016-2853"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-05-02T10:59:00Z",
    "severity": "HIGH"
  },
  "details": "The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.",
  "id": "GHSA-xrmj-c7vj-9c4m",
  "modified": "2025-04-12T12:59:24Z",
  "published": "2022-05-13T01:02:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2853"
    },
    {
      "type": "WEB",
      "url": "https://sourceforge.net/p/aufs/mailman/message/34864744"
    },
    {
      "type": "WEB",
      "url": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/02/24/9"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/10/18/1"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/96839"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2016-2853 (GCVE-0-2016-2853)

Vulnerability from cvelistv5 – Published: 2016-05-02 10:00 – Updated: 2024-08-05 23:32

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.securityfocus.com/bid/96839	vdb-entryx_refsource_BID
	http://www.halfdog.net/Security/2016/AufsPrivileg…	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2016/02/24/9	mailing-listx_refsource_MLIST
	https://sourceforge.net/p/aufs/mailman/message/34…	mailing-listx_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2021/10/18/1	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

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        "references": [
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            "name": "96839",
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              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/96839"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/"
          },
          {
            "name": "[oss-security] 20160224 Aufs Union Filesystem Privilege Escalation In User Namespaces",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/02/24/9"
          },
          {
            "name": "[aufs] 20160219 aufs3 and aufs4 GIT release",
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              "mailing-list",
              "x_refsource_MLIST",
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            ],
            "url": "https://sourceforge.net/p/aufs/mailman/message/34864744/"
          },
          {
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            ],
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          }
        ],
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      }
    ],
    "cna": {
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-XRMJ-C7VJ-9C4M

CVE-2016-2853 (GCVE-0-2016-2853)

Tags

Sightings

Nomenclature