CVE-2015-8660

MEDIUM

Overlayfs Privilege Escalation

Title source: metasploit

Description

The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.

Exploits (7)

nomisec WORKING POC 3 stars
by whu-enjoy · poc
https://github.com/whu-enjoy/CVE-2015-8660
nomisec WRITEUP
by nhamle2 · poc
https://github.com/nhamle2/CVE-2015-8660
nomisec WORKING POC
by carradolly · poc
https://github.com/carradolly/CVE-2015-8660
exploitdb WORKING POC VERIFIED
by Metasploit · rubylocallinux
https://www.exploit-db.com/exploits/40688
metasploit WORKING POC GOOD
by h00die <[email protected]>, rebel · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/overlayfs_priv_esc.rb
exploitdb WORKING POC
by halfdog · clocallinux
https://www.exploit-db.com/exploits/39230
exploitdb WORKING POC VERIFIED
by rebel · clocallinux
https://www.exploit-db.com/exploits/39166

References (23)

... and 3 more

Scores

CVSS v3 6.7
EPSS 0.6346
EPSS Percentile 98.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-264
Status draft

Affected Products (1)

linux/linux_kernel < 3.18.31

Timeline

Published Dec 28, 2015
Tracked Since Feb 18, 2026