CVE-2016-9313 Null dereference in n/a
Local attackers can cause a kernel panic and denial of service via a crafted application using the big_key data type due to improper handling of crypto registration failures.
- 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-2016-9313?
CVE-2016-9313 is a high-severity vulnerability in Linux kernel, published on 28 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
security/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-type registration, which allows local users to cause a denial of service (NULL pointer dereference and panic) or possibly have unspecified other impact via a crafted application that uses the big_key data type.
Weakness: CWE-476
Which versions are affected by CVE-2016-9313?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-9313?
Upgrade to a fixed version.
Is CVE-2016-9313 being exploited?
There is no known exploitation of CVE-2016-9313 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-9313, GHSA-87j2-w75f-pvcg.