CVE-2016-7914 Information disclosure in n/a
Local attackers can read kernel memory or crash the system via associative-array structures due to missing leaf checks in the Linux kernel.
- 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-2016-7914?
CVE-2016-7914 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
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.5.3 does not check whether a slot is a leaf, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and out-of-bounds read) via an application that uses associative-array data structures, as demonstrated by the keyutils test suite.
Which versions are affected by CVE-2016-7914?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-7914?
Apply the vendor's patch.
Is CVE-2016-7914 being exploited?
There is no known exploitation of CVE-2016-7914 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-7914, GHSA-92qx-54jr-58qw, UBUNTU-CVE-2016-7914.