OISF Suricata up to 7.0.8 AF_PACKET Defrag Option signature verification

Summaryinfo

A vulnerability marked as problematic has been reported in OISF Suricata up to 7.0.8. Affected is an unknown function of the component AF_PACKET Defrag Option. Performing a manipulation results in signature verification. This vulnerability was named CVE-2025-29915. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in OISF Suricata up to 7.0.8. It has been classified as problematic. This affects an unknown code of the component AF_PACKET Defrag Option. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on integrity. The summary by CVE is:

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The AF_PACKET defrag option is enabled by default and allows AF_PACKET to re-assemble fragmented packets before reaching Suricata. However the default packet size in Suricata is based on the network interface MTU which leads to Suricata seeing truncated packets. Upgrade to Suricata 7.0.9, which uses better defaults and adds warnings for user configurations that may lead to issues.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-29915 since 03/12/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 233809 (Fedora 41 : suricata (2025-5fa61dc843)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.0.9 eliminates this vulnerability. Applying the patch d78f2c9a4e2b59f44daeddff098915084493d08d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (233809) and CERT Bund (WID-SEC-2025-1850). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Xerox FreeFlow Print Server

Productinfo

Vendor

• OISF

Name

• Suricata

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8

License

• open-source

Website

• Product: https://github.com/OISF/suricata/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion