#VU112256 Resource management error in Linux kernel - CVE-2025-38170

Vulnerability identifier: #VU112256

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-2025-38170

CWE-ID: CWE-399

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 resource management error within the do_sme_acc() function in arch/arm64/kernel/fpsimd.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/43be952e885476dafb74aa832c0847b2f4f650c6
https://git.kernel.org/stable/c/6103f9ba51a59afb5a0f32299c837377c5a5a693
https://git.kernel.org/stable/c/c4a4786d93e99517d6f10ed56b9ffba4ce88d3b3
https://git.kernel.org/stable/c/d3eaab3c70905c5467e5c4ea403053d67505adeb
https://git.kernel.org/stable/c/de89368de3894a8db27caeb8fd902ba1c49f696a

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?