SB20251028121 - Input validation error in Linux kernel nfc nci

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Main Vulnerability Database SB20251028121

SB20251028121 - Input validation error in Linux kernel nfc nci

Published: October 28, 2025

Security Bulletin ID SB20251028121
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2025-40043)

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

The vulnerability exists due to improper input validation within the nci_core_reset_ntf_packet(), nci_core_conn_credits_ntf_packet(), nci_core_generic_error_ntf_packet(), nci_core_conn_intf_error_ntf_packet(), nci_clear_target_list(), nci_rf_discover_ntf_packet(), nci_store_general_bytes_nfc_dep(), nci_rf_intf_activated_ntf_packet(), nci_rf_deactivate_ntf_packet(), nci_nfcee_discover_ntf_packet() and nci_ntf_packet() functions in net/nfc/nci/ntf.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References