#VU117276 Input validation error in Linux kernel - CVE-2025-39971
Published: October 15, 2025
Vulnerability identifier: #VU117276
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-2025-39971
CWE-ID: CWE-20
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 improper input validation within the i40e_vc_config_queues_msg() function in drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.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/1fa0aadade34481c567cdf4a897c0d4e4d548bd1
- https://git.kernel.org/stable/c/2cc26dac0518d2fa9b67ec813ee60e183480f98a
- https://git.kernel.org/stable/c/5c1f96123113e0bdc6d8dc2b0830184c93da9f65
- https://git.kernel.org/stable/c/8b9c7719b0987b1c6c5fc910599f3618a558dbde
- https://git.kernel.org/stable/c/a6ff2af78343eceb0f77ab1a2fe802183bc21648
- https://git.kernel.org/stable/c/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b
- https://git.kernel.org/stable/c/f1ad24c5abe1eaef69158bac1405a74b3c365115
- https://git.kernel.org/stable/c/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2