CVE-2016-7916 Race condition in n/a
Local attackers can read sensitive kernel memory by exploiting a race condition when reading process environment variables during setup.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-7916?
CVE-2016-7916 is a medium-severity vulnerability in Linux kernel, published on 16 Nov 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.
Weakness: CWE-362
Which versions are affected by CVE-2016-7916?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-7916?
Apply the vendor's patch.
Is CVE-2016-7916 being exploited?
There is no known exploitation of CVE-2016-7916 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-7916, GHSA-4mfv-78wv-cc6j, UBUNTU-CVE-2016-7916.