CVE-2016-2854 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0017.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2016-3927	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.
Ubuntu USN	USN-5343-1	Linux kernel vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/
http://www.openwall.com/lists/oss-security/2016/02/24/9
http://www.securityfocus.com/bid/96838
https://nvd.nist.gov/vuln/detail/CVE-2016-2854
https://sourceforge.net/p/aufs/mailman/message/34864744/
https://www.cve.org/CVERecord?id=CVE-2016-2854

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-05-02T10:00:00

Updated: 2024-08-05T23:32:21.329Z

Reserved: 2016-03-06T00:00:00

Link: CVE-2016-2854

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2016-05-02T10:59:34.533

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-2854

Redhat

Severity :

Publid Date: 2016-02-24T00:00:00Z

Links: CVE-2016-2854 - Bugzilla

OpenCVE Enrichment

No data.

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