#VU112117 NULL pointer dereference in Linux kernel - CVE-2025-38092

Vulnerability identifier: #VU112117

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-2025-38092

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 opinfo_get_list() function in fs/smb/server/oplock.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/10379171f346e6f61d30d9949500a8de4336444a
https://git.kernel.org/stable/c/334da674b25fdb7a1a4d4b89dcd7795144fc7e11
https://git.kernel.org/stable/c/c78abb646ff823e7d22faad4cc0703d4484da9e8
https://git.kernel.org/stable/c/cb7e06e9736d73007dc8dab7b353733bb37df86b

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?