SB20251230191 - Out-of-bounds read in Linux kernel intel igc driver



SB20251230191 - Out-of-bounds read in Linux kernel intel igc driver

Published: December 30, 2025 Updated: December 31, 2025

Security Bulletin ID SB20251230191
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) Out-of-bounds read (CVE-ID: CVE-2023-54166)

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

The vulnerability exists due to an out-of-bounds read error within the igc_clean_all_tx_rings(), igc_down() and igc_enable_rx_ring() functions in drivers/net/ethernet/intel/igc/igc_main.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.