CVE-2022-3854 Null dereference in ceph

Medium 6.5 Published 6 Mar 2023 Updated 6 Mar 2025

An attacker can crash the Ceph RGW backend by providing a null URL, resulting in a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2022-3854?

CVE-2022-3854 is a medium-severity vulnerability in ceph, published on 6 Mar 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Weakness: CWE-177

Which versions are affected by CVE-2022-3854?

It affects 1 product.

Products include Redhat Ceph Storage.

How do I fix CVE-2022-3854?

Apply the vendor's patch.

Is CVE-2022-3854 being exploited?

There is no known exploitation of CVE-2022-3854 in the wild and no public exploit code.

Sources

Also known as AZL-38998, AZL-39496, DEBIAN-CVE-2022-3854, GHSA-rm99-52xq-2r9w, UBUNTU-CVE-2022-3854.