#VU112205 NULL pointer dereference in Linux kernel - CVE-2025-38167

Vulnerability identifier: #VU112205

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-2025-38167

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 indx_get_entry_to_replace() function in fs/ntfs3/index.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/2d5879f64554181b89f44d4817b9ea86e8e913e1
https://git.kernel.org/stable/c/4ecd0cde89feee26525ccdf1af0c1ae156ca010b
https://git.kernel.org/stable/c/5390b3d4c6d41d05bb9149d094d504cbc9ea85bf
https://git.kernel.org/stable/c/701340a25b1ad210e6b8192195be21fd3fcc22c7
https://git.kernel.org/stable/c/83cd0aa74793384dbdffc140500b200e9776a302
https://git.kernel.org/stable/c/af5cab0e5b6f8edb0be51a9f47f3f620e0b4fd70

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?