#VU107788 Incorrect calculation in Linux kernel - CVE-2025-22064

Vulnerability identifier: #VU107788

Vulnerability 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-2025-22064

CWE-ID: CWE-682

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to incorrect calculation within the nf_tables_updchain() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.7, 6.12.8, 6.12.9, 6.12.10, 6.12.11, 6.12.12, 6.12.13, 6.12.14, 6.12.15, 6.12.16, 6.12.17, 6.12.18, 6.12.19, 6.12.20, 6.12.21, 6.12.22

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External links
https://git.kernel.org/stable/c/03d1fb457b696c18fe15661440c4f052b2374e7e
https://git.kernel.org/stable/c/6134d1ea1e1408e8e7c8c26545b3b301cbdf1eda
https://git.kernel.org/stable/c/688c15017d5cd5aac882400782e7213d40dc3556
https://git.kernel.org/stable/c/ce571eba07d54e3637bf334bc48376fbfa55defe
https://git.kernel.org/stable/c/feb1fa2a03a27fec7001e93e4223be4120d1784b
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23

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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.