SB2025011758 - Use-after-free in Linux kernel smb client



SB2025011758 - Use-after-free in Linux kernel smb client

Published: January 17, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025011758
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) Use-after-free (CVE-ID: CVE-2024-54680)

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

The vulnerability exists due to a use-after-free error within the clean_demultiplex_info(), cifs_get_tcp_session(), cifs_crypto_secmech_release(), cifs_put_tcp_session() and generic_ip_connect() functions in fs/smb/client/connect.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.