CVE-2016-1575

The overlayfs implementation in the Linux kernel through 4.5.2 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

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

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.92% chance of exploitation in the next 30 days, 58th percentile

Published

2016-05-02

Updated

2024-08-05

Proof-of-concept exploits (1)

• http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/41762

References

• CVE Record
• NVD entry

Related

• CVE-2016-1564
• CVE-2016-1576
• CVE-2016-1561
• CVE-2016-1583
• CVE-2016-1560
• CVE-2016-1593