#VU114952 Use of uninitialized resource in Linux kernel - CVE-2025-39681
Published: September 8, 2025
Vulnerability identifier: #VU114952
Vulnerability risk: Low
CVSSv4.0: 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-2025-39681
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the bsp_init_hygon() function in arch/x86/kernel/cpu/hygon.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/7207923d8453ebfb35667c1736169f2dd796772e
- https://git.kernel.org/stable/c/873f32201df8876bdb2563e3187e79149427cab4
- https://git.kernel.org/stable/c/a9e5924daa954c9f585c1ca00358afe71d6781c4
- https://git.kernel.org/stable/c/d23264c257a70dbe021b43b3bc2ee16134cd2c69
- https://git.kernel.org/stable/c/d8df126349dad855cdfedd6bbf315bad2e901c2f
- https://git.kernel.org/stable/c/fb81222c1559f89bfe3aa1010f6d112531d55353