#VU111555 NULL pointer dereference in Linux kernel - CVE-2025-38035

Vulnerability identifier: #VU111555

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-2025-38035

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 nvmet_tcp_restore_socket_callbacks() function in drivers/nvme/target/tcp.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/17e58be5b49f58bf17799a504f55c2d05ab2ecdc
https://git.kernel.org/stable/c/3a982ada411b8c52695f1784c3f4784771f30209
https://git.kernel.org/stable/c/46d22b47df2741996af277a2838b95f130436c13
https://git.kernel.org/stable/c/6265538446e2426f4bf3b57e91d7680b2047ddd9
https://git.kernel.org/stable/c/a21cb31642ffc84ca4ce55028212a96f72f54d30
https://git.kernel.org/stable/c/c240375587ddcc80e1022f52ee32b946bbc3a639
https://git.kernel.org/stable/c/ec462449f4cf616b0aa2ed119f5f44b5fdfcefab
https://git.kernel.org/stable/c/fc01b547c3f8bfa6e1d23cd5a2c63c736e8c3e4e

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.