SB2025052150 - Red Hat Enterprise Linux 8 update for kernel 

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Main Vulnerability Database SB2025052150

SB2025052150 - Red Hat Enterprise Linux 8 update for kernel

Published: May 21, 2025 Updated: July 3, 2025

Security Bulletin ID SB2025052150
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Memory leak (CVE-ID: CVE-2024-40906)

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

The vulnerability exists due to memory leak within the mlx5_function_teardown() function in drivers/net/ethernet/mellanox/mlx5/core/main.c. A local user can perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2024-44970)

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

The vulnerability exists due to memory corruption within the drivers/net/ethernet/mellanox/mlx5/core/en_rx.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2025-21756)

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

The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL() and __vsock_release() functions in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References