High severity7.8NVD Advisory· Published May 2, 2016· Updated Jun 17, 2026

CVE-2016-2854

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Range: >=3.0.0,<=3.19.8
aufs/aufsllm-fuzzy
Range: 3.x - 4.x

Patches

Vulnerability mechanics

References

www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/nvdExploitThird Party Advisory
www.openwall.com/lists/oss-security/2016/02/24/9nvdExploitMailing ListThird Party Advisory
www.securityfocus.com/bid/96838nvdThird Party AdvisoryVDB Entry
sourceforge.net/p/aufs/mailman/message/34864744/nvdThird Party Advisory

News mentions

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cvss	0.507
epss	0.001
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000