#VU112219 NULL pointer dereference in Linux kernel - CVE-2025-38113

Vulnerability identifier: #VU112219

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-2025-38113

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 cppc_allow_fast_switch() function in drivers/acpi/cppc_acpi.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/15eece6c5b05e5f9db0711978c3e3b7f1a2cfe12
https://git.kernel.org/stable/c/1a677d0ceb4a5d62117b711a8b2e0aee80d33015
https://git.kernel.org/stable/c/32a48db4cf28ea087214c261da8476db218d08bd
https://git.kernel.org/stable/c/356d09c7f5bf525086002a34f8bae40b134d1611
https://git.kernel.org/stable/c/c6dad167aade4bf0bef9130f2f149f4249fc4ad0

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?