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CVE-2016-2854
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…
High7.8EPSS 0.95%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.95% · top 39% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (4)
- http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20160224 Aufs Union Filesystem Privilege Escalation In User Namespaces (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [aufs] 20160219 aufs3 and aufs4 GIT release (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 96838 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .