Improper error handling in Linux kernel loongarch mm

1) Improper error handling

EUVDB-ID: #VU112317

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-2025-38195

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the huge_pte_offset() function in arch/loongarch/mm/hugetlbpage.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/985f086f281b7bbb6644851e63af1a17ffff9277
https://git.kernel.org/stable/c/b427d98d55217b53c88643579fbbd8a4c351a105
https://git.kernel.org/stable/c/b5c7397b7fd125203c60b59860c168ee92291272
https://git.kernel.org/stable/c/ee084fa96123ede8b0563a1b5a9b23adc43cd50d

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.