Security readout for executives and security teams
CVE-2016-2854 is a local privilege escalation issue in the Linux aufs filesystem module for kernel 3.x and 4.x. A local user can gain higher privileges by abusing mishandled POSIX ACL extended attributes in a group-writable setgid directory. It is not listed in CISA KEV, and the provided sources do not state active exploitation. Exposure is most likely on Linux 3.x or 4.x systems using the aufs module, especially systems allowing local users, container workloads, or user namespaces. Systems not using aufs are not indicated as affected by the provided sources. Prioritize remediation on shared Linux servers, container hosts, and environments with untrusted local users. Business urgency is highest where attackers could convert limited access into elevated privileges. Internet-facing exposure alone is not the main risk driver. Mitigation focus: Identify Linux 3.x and 4.x systems using the aufs module.; Review the aufs3/aufs4 Git release referenced by upstream.; Apply vendor or distribution updates that address CVE-2016-2854..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-2854 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [aufs] 20160219 aufs3 and aufs4 GIT releaseCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
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