#VU112825 Improper Initialization in Linux kernel - CVE-2025-38262

Vulnerability identifier: #VU112825

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-2025-38262

CWE-ID: CWE-665

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 initialization within the pm_runtime_set_active() and ulite_init() functions in drivers/tty/serial/uartlite.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/685d29f2c5057b32c7b1b46f2a7d303b926c8f72
https://git.kernel.org/stable/c/6bd697b5fc39fd24e2aa418c7b7d14469f550a93
https://git.kernel.org/stable/c/6db06aaea07bb7c8e33a425cf7b98bf29ee6056e
https://git.kernel.org/stable/c/8e958d10dd0ce5ae674cce460db5c9ca3f25243b
https://git.kernel.org/stable/c/9c905fdbba68a6d73d39a6b7de9b9f0d6c46df87
https://git.kernel.org/stable/c/f5e4229d94792b40e750f30c92bcf7a3107c72ef

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?