CVE-2022-22351 Denial of service in AIX

Medium 6.1 Published Updated

A non-privileged trusted host user can exploit the nimsh daemon to cause a denial of service on another trusted host in IBM AIX.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-22351?

CVE-2022-22351 is a medium-severity denial of service vulnerability in Ibm Aix, published on 7 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged trusted host user to exploit a vulnerability in the nimsh daemon to cause a denial of service in the nimsh daemon on another trusted host. IBM X-Force ID: 220396

Which versions are affected by CVE-2022-22351?

It affects 2 products.

Products include Ibm Aix, Ibm Vios.

How do I fix CVE-2022-22351?

No fix has been published for CVE-2022-22351 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-2022-22351 being exploited?

There is no known exploitation of CVE-2022-22351 in the wild and no public exploit code.

All Ibm Aix vulnerabilities

Sources

Also known as GHSA-fx3x-pw2m-9c5p.

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