#VU111701 Input validation error in Linux kernel - CVE-2025-38045

Vulnerability identifier: #VU111701

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-2025-38045

CWE-ID: CWE-20

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 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

---

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.