SB2024073123 - Use-after-free in Linux kernel mellanox mlxsw driver



SB2024073123 - Use-after-free in Linux kernel mellanox mlxsw driver

Published: July 31, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024073123
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2024-42073)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the mlxsw_sp_sb_sr_occ_query_cb(), mlxsw_reg_sbsr_pack() and mlxsw_sp_sb_occ_max_clear() functions in drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.