PT-2015-7817 · Linux+5 · Linux Kernel+5

Rebel · Published 2015-12-28 · Updated 2025-09-29 · CVE-2015-8660

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.3.3 Linux kernel (affected versions not specified)

Description The issue allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application. This is due to the ovl setattr function in fs/overlayfs/inode.c attempting to merge distinct setattr operations.

Recommendations For versions prior to 4.3.3, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability in other affected versions.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

ALSA-2025_16880

ALT-PU-2016-1018

ALT-PU-2016-1485

CESA-2016_1539

CVE-2015-8660

ELSA-2016-1539

ELSA-2016-3593

MGASA-2016-0005

MGASA-2016-0014

MGASA-2016-0015

OPENSUSE-SU-2024:10128-1

RHSA-2016:1532

RHSA-2016:1539

RHSA-2016:1541

RHSA-2016_1539

RHSA-2016_1541

SUSE-SU-2016:0585-1

SUSE-SU-2016:0751-1

SUSE-SU-2016:0752-1

SUSE-SU-2016:0755-1

SUSE-SU-2016_0585-1

USN-2857-1

USN-2857-2

USN-2858-1

USN-2858-2

USN-2858-3

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 251

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/overlayfs_priv_esc.rb · Exploit
• 🔥 https://github.com/whu-enjoy/CVE-2015-8660 · Exploit
• 🔥 https://exploit-db.com/exploits/40688 · Exploit
• 🔥 https://exploit-db.com/exploits/39166 · Exploit
• 🔥 https://exploit-db.com/exploits/39230 · Exploit
• https://github.com/torvalds/linux/commit/acff81ec2c79492b180fade3c2894425cd35a545 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2016-0014 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2015-8660 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:0755-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2016-0005.html · Security Note
• http://rhn.redhat.com/errata/RHSA-2016-1532.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:0751-1 · Vendor Advisory
• http://ubuntu.com/usn/USN-2857-2 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:0752-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html · Vendor Advisory