CVE-2016-2854
HIGH
7.8
CVSS Score
Published: May 2, 2016 at 10:00 AM UTC
Updated: June 17, 2026 at 12:44 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.0.0 ≤ v ≤ 3.19.84.0.0 ≤ v ≤ 4.20.15
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/Mailing Listx_refsource_MLISTExploitThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/02/24/9VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/96838Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://sourceforge.net/p/aufs/mailman/message/34864744/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-269
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