CVE-2017-16996 Memory corruption in Linux kernel through 4.14.8
Local attackers can cause denial of service or potential code execution in the Linux kernel via register truncation mishandling in the BPF verifier.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-16996?
CVE-2017-16996 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 22 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging register truncation mishandling.
Weakness: CWE-119
Which versions are affected by CVE-2017-16996?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2017-16996?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-16996 being exploited?
There is no known exploitation of CVE-2017-16996 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-16996, GHSA-fhr3-fj6p-xhpf.