Input validation error in Linux kernel intel iwlwifi driver

1) Input validation error

EUVDB-ID: #VU111701

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-2025-38045

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the _iwl_dbg_tlv_time_point() function in drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.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/181e8b56b74ad3920456dcdc8a361520d9007956
https://git.kernel.org/stable/c/2b790fe67ed483d86c1aeb8be6735bf792caa7e5
https://git.kernel.org/stable/c/328fbc96ecbee16c5fcbfcb3ac57b476f94da2f0
https://git.kernel.org/stable/c/eb29b4ffafb20281624dcd2cbb768d6f30edf600

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.