CVE-2017-14489 Denial of service in n/a

Medium 5.5 Published Updated

Local users can cause a system panic in the Linux kernel iSCSI transport layer due to incorrect length validation.

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-2017-14489?

CVE-2017-14489 is a medium-severity denial of service vulnerability in Linux kernel, published on 15 Sep 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The iscsi_if_rx function in drivers/scsi/scsi_transport_iscsi.c in the Linux kernel through 4.13.2 allows local users to cause a denial of service (panic) by leveraging incorrect length validation.

Weakness: CWE-20

Which versions are affected by CVE-2017-14489?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-14489?

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-2017-14489 being exploited?

There is no known exploitation of CVE-2017-14489 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-14489, GHSA-9c72-6vp8-jx77, UBUNTU-CVE-2017-14489.

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