CVE-2017-18232 Denial of service in n/a
Local attackers can cause a system deadlock and denial of service by triggering error-handling code in the Linux kernel's SAS implementation.
- 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-2017-18232?
CVE-2017-18232 is a medium-severity denial of service vulnerability in Linux kernel, published on 15 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Serial Attached SCSI (SAS) implementation in the Linux kernel through 4.15.9 mishandles a mutex within libsas, which allows local users to cause a denial of service (deadlock) by triggering certain error-handling code.
Which versions are affected by CVE-2017-18232?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-18232?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-18232 being exploited?
There is no known exploitation of CVE-2017-18232 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-18232, GHSA-7675-r8hq-2hrh, UBUNTU-CVE-2017-18232.