SB20251015125 - Input validation error in Linux kernel intel i40e driver
Published: October 15, 2025
Security Bulletin ID
SB20251015125
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-39972)
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_validate_queue_map() 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 website.
References
- https://git.kernel.org/stable/c/34dfac0c904829967d500c51f216916ce1452957
- https://git.kernel.org/stable/c/4d5e804a9e19b639b18fd13664dbad3c03c79e61
- https://git.kernel.org/stable/c/50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd
- https://git.kernel.org/stable/c/6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3c
- https://git.kernel.org/stable/c/aa68d3c3ac8d1dcec40d52ae27e39f6d32207009
- https://git.kernel.org/stable/c/b6cb93a7ff208f324c7ec581d72995f80e115e0e
- https://git.kernel.org/stable/c/cc4191e8ef40d2249c1b9a8617d22ec8a976b574
- https://git.kernel.org/stable/c/d4e3eaaa3cb3af77836d806c89cd6ebf533a7320