#VU112123 Buffer overflow in Linux kernel - CVE-2025-38090

Vulnerability identifier: #VU112123

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-2025-38090

CWE-ID: CWE-119

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 corruption within the riocm_ch_send() function in drivers/rapidio/rio_cm.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/1921781ec4a8824bd0c520bf9363e28a880d14ec
https://git.kernel.org/stable/c/1cce6ac47f4a2ac1766b8a188dc8c8f6d8df2a53
https://git.kernel.org/stable/c/50695153d7ddde3b1696dbf0085be0033bf3ddb3
https://git.kernel.org/stable/c/58f664614f8c3d6142ab81ae551e466dc6e092e8
https://git.kernel.org/stable/c/6d5c6711a55c35ce09b90705546050408d9d4b61
https://git.kernel.org/stable/c/a8b5ea2e302aa5cd00fc7addd8df53c9bde7b5f6
https://git.kernel.org/stable/c/c03ddc183249f03fc7e057e02cae6f89144d0123
https://git.kernel.org/stable/c/ecf5ee280b702270afb02f61b299d3dfe3ec7730

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?