Fedora EPEL 9 update for fastd



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-24356
CWE-ID CWE-405
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

fastd
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Asymmetric Resource Consumption (Amplification)

EUVDB-ID: #VU103329

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-24356

CWE-ID: CWE-405 - Asymmetric Resource Consumption (Amplification)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error when handling UDP packets in fast reconnect feature. A remote non-authenticated attacker can send small UDP packets (even a 1-byte packet is enough) to the application and force it to initiate connections to third-party systems using much larger packets.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

fastd: before 23-1.el9

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-799e5ef6f0


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###