CVE-2018-2926 Denial of service in Solaris Operating System

High 7.6 Published 18 Jul 2018 Updated 2 Oct 2024

A low-privileged attacker can cause a complete denial of service and access data in Solaris via the NVIDIA-GFX kernel driver.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-2926?

CVE-2018-2926 is a high-severity denial of service vulnerability in Oracle Solaris, published on 18 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: NVIDIA-GFX Kernel driver). The supported version that is affected is 11.3. Easily exploitable vulnerability allows low privileged attacker with network access via ISCSI to compromise Solaris. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Solaris as well as unauthorized update, insert or delete access to some of Solaris accessible data and unauthorized read access to a subset of Solaris accessible data. CVSS 3.0 Base Score 7.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H).

Which versions are affected by CVE-2018-2926?

It affects 1 product.

Products include Oracle Solaris.

How do I fix CVE-2018-2926?

No fix has been published for CVE-2018-2926 yet. Limit exposure of the affected software until one is available.

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-2018-2926 being exploited?

There is no known exploitation of CVE-2018-2926 in the wild and no public exploit code.

All Oracle Solaris vulnerabilities

Sources

Also known as GHSA-gpc3-36c5-wg2w.