github - ghsa-mx43-7754-cfh2

GHSA-MX43-7754-CFH2

Vulnerability from github – Published: 2022-05-13 01:24 – Updated: 2025-04-12 12:59

Details

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

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-2016-2854"
  ],
  "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 maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.",
  "id": "GHSA-mx43-7754-cfh2",
  "modified": "2025-04-12T12:59:24Z",
  "published": "2022-05-13T01:24:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2854"
    },
    {
      "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.securityfocus.com/bid/96838"
    }
  ],
  "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-2016-2854 (GCVE-0-2016-2854)

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

Summary

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	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.securityfocus.com/bid/96838	vdb-entryx_refsource_BID

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            "url": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/"
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          {
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            "tags": [
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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-MX43-7754-CFH2

CVE-2016-2854 (GCVE-0-2016-2854)

Tags

Sightings

Nomenclature