NULL pointer dereference in Linux kernel dma-buf driver

1) NULL pointer dereference

EUVDB-ID: #VU112221

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-2025-38095

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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 dma_resv_add_fence() function in drivers/dma-buf/dma-resv.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51
https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f
https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a
https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927
https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4

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.