CVE-2015-8660

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.

CVSS v3.1

6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/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

22.37% chance of exploitation in the next 30 days, 98th percentile

Published

2015-12-28

Updated

2024-08-06

Proof-of-concept exploits (3)

• carradolly/CVE-2015-86600★ · 2024-09-11
• nhamle2/CVE-2015-86600★ · 2023-01-15
• whu-enjoy/CVE-2015-86603★ · 2016-05-17

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/overlayfs_priv_esc.rb

ExploitDB entries (3)

• https://www.exploit-db.com/exploits/40688
• https://www.exploit-db.com/exploits/39166
• https://www.exploit-db.com/exploits/39230

References

• CVE Record
• NVD entry

Related

• CVE-2012-1889
• CVE-2016-5195
• CVE-2015-8644
• CVE-2015-8664
• CVE-2015-8636
• CVE-2015-8668