SB2024022716 - Information disclosure in Linux kernel ksmbd



SB2024022716 - Information disclosure in Linux kernel ksmbd

Published: February 27, 2024 Updated: May 14, 2025

Security Bulletin ID SB2024022716
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2024-26594)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling SMB2 Mech Tokens. A remote attacker can send specially crafted packets to ksmbd, trigger an out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.

References