#VU107729 NULL pointer dereference in Linux kernel - CVE-2025-22017

Vulnerability identifier: #VU107729

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-2025-22017

CWE-ID: CWE-476

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 NULL pointer dereference within the devlink_rel_alloc() function in net/devlink/core.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 - 6.12.20

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External links
https://git.kernel.org/stable/c/466132f6d28a7e47a82501fe1c46b8f90487412e
https://git.kernel.org/stable/c/f3b97b7d4bf316c3991e5634c9f4847c2df35478
https://git.kernel.org/stable/c/f8aaa38cfaf6f20afa4db36b6529032fb69165dc
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.21

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?