CVE-2025-54409 AIDE null pointer dereference when reading incorrectly encoded xattr attributes from database (local DoS)

Medium 6.2 Published Updated

A local attacker can crash AIDE by setting specific extended file attributes, causing a denial of service during report generation or database listing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-54409?

CVE-2025-54409 is a medium-severity vulnerability in aide, published on 14 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

AIDE is an advanced intrusion detection environment. From versions 0.13 to 0.19.1, there is a null pointer dereference vulnerability in AIDE. An attacker can crash the program during report printing or database listing after setting extended file attributes with an empty attribute value or with a key containing a comma. A local user might exploit this to cause a local denial of service. This issue has been patched in version 0.19.2. A workaround involves removing xattrs group from rules matching files on affected file systems.

Weakness: CWE-476

Which versions are affected by CVE-2025-54409?

It affects 1 product.

Products include Advanced Intrusion Detection Environment Project Advanced Intrusion Detection Environment.

How do I fix CVE-2025-54409?

Apply the vendor's patch.

Is CVE-2025-54409 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54409 exists.

Sources

Also known as AZL-66429, AZL-66431, DEBIAN-CVE-2025-54409, GHSA-79g7-f8rv-jcxh, UBUNTU-CVE-2025-54409.

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