Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2015-8660

6.7 · MEDIUM

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…

Published Dec 28, 2015linuxCWE-264EPSS 22.20%

Overview

CVE-2015-8660 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 28, 2015 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 3.18, < 3.18.31Affected

References

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545Reflists.opensuse.org/opensuse-security-announce/2016-03/msg00039.htmlReflists.opensuse.org/opensuse-security-announce/2016-03/msg00040.htmlReflists.opensuse.org/opensuse-security-announce/2016-03/msg00043.htmlRefpacketstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Root.htmlRefrhn.redhat.com/errata/RHSA-2016-1532.htmlRefrhn.redhat.com/errata/RHSA-2016-1539.htmlRefrhn.redhat.com/errata/RHSA-2016-1541.htmlRefwww.openwall.com/lists/oss-security/2015/12/23/5Refwww.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8660?

CVE-2015-8660 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 28, 2015 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2015-8660?

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-8660?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8660?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8660 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2015

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999