CVE-2016-6187 Privilege escalation in n/a

What is CVE-2016-6187?

CVE-2016-6187 is a high-severity vulnerability in Linux kernel, published on 6 Aug 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.

Weakness: CWE-264, CWE-119

Which versions are affected by CVE-2016-6187?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-6187?

Apply the vendor's patch.

Is CVE-2016-6187 being exploited?

There is no known exploitation of CVE-2016-6187 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 2 proofs of concept on GitHub.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-6187, GHSA-f2rr-m524-j23q.