CVE-2016-2854

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.

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.95% chance of exploitation in the next 30 days, 61st percentile

Published

2016-05-02

Updated

2024-08-05

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/41761

Security advisories

• 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://sourceforge.net/p/aufs/mailman/message/34864744

References

• CVE Record
• NVD entry