#VU111547 NULL pointer dereference in Linux kernel - CVE-2025-38075

Vulnerability identifier: #VU111547

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-2025-38075

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 iscsit_close_connection() function in drivers/target/iscsi/iscsi_target.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/019ca2804f3fb49a7f8e56ea6aeaa1ff32724c27
https://git.kernel.org/stable/c/2c5081439c7ab8da08427befe427f0d732ebc9f9
https://git.kernel.org/stable/c/3e6429e3707943078240a2c0c0b3ee99ea9b0d9c
https://git.kernel.org/stable/c/571ce6b6f5cbaf7d24af03cad592fc0e2a54de35
https://git.kernel.org/stable/c/6815846e0c3a62116a7da9740e3a7c10edc5c7e9
https://git.kernel.org/stable/c/7f533cc5ee4c4436cee51dc58e81dfd9c3384418
https://git.kernel.org/stable/c/87389bff743c55b6b85282de91109391f43e0814
https://git.kernel.org/stable/c/fe8421e853ef289e1324fcda004751c89dd9c18a

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?