CVEvulnerability
CVE-2016-2854
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-05-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-269
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.
Affected configurations
• linux linux kernel (>= 3.0.0 <= 3.19.8)
• linux linux kernel (>= 4.0.0 <= 4.20.15)
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/24/9 Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96838 Third Party Advisory, VDB Entry
- https://sourceforge.net/p/aufs/mailman/message/34864744/ Third Party Advisory
- http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/24/9 Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96838 Third Party Advisory, VDB Entry
- https://sourceforge.net/p/aufs/mailman/message/34864744/ Third Party Advisory