#VU112285 Use-after-free in Linux kernel - CVE-2025-38211

Vulnerability identifier: #VU112285

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38211

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL(), destroy_cm_id() and cm_work_handler() functions in drivers/infiniband/core/iwcm.c. A local user can escalate privileges on the system.

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/23a707bbcbea468eedb398832eeb7e8e0ceafd21
https://git.kernel.org/stable/c/3b4a50d733acad6831f6bd9288a76a80f70650ac
https://git.kernel.org/stable/c/6883b680e703c6b2efddb4e7a8d891ce1803d06b
https://git.kernel.org/stable/c/764c9f69beabef8bdc651a7746c59f7a340d104f
https://git.kernel.org/stable/c/78381dc8a6b61c9bb9987d37b4d671b99767c4a1
https://git.kernel.org/stable/c/fd960b5ddf4faf00da43babdd3acda68842e1f6a

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?