Buffer overflow in Linux kernel netfilter

1) Buffer overflow

EUVDB-ID: #VU107769

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22110

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the nfqnl_build_packet_message() function in net/netfilter/nfnetlink_queue.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.14 - 6.14.1

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.14:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.14.1:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/778b09d91baafb13408470c721d034d6515cfa5a
https://git.kernel.org/stable/c/ddbf7e1d82a1d0c1d3425931a6cb1b83f8454759
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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