#VU107653 Memory leak in Linux kernel - CVE-2025-22109

Vulnerability identifier: #VU107653

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-2025-22109

CWE-ID: CWE-401

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 memory leak within the ax25_get_route() function in net/ax25/ax25_route.c, within the ax25_connect() function in net/ax25/af_ax25.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

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External links
https://git.kernel.org/stable/c/2f6efbabceb6b2914ee9bafb86d9a51feae9cce8
https://git.kernel.org/stable/c/61203fdd3e35519db9a98b6ff8983c620ffc4696
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?