SB2023090640 - Remote code execution in Linux Kernel ksmbd
Published: September 6, 2023
Security Bulletin ID
SB2023090640
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2023-32258)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition when processing SMB2_LOGOFF and SMB2_CLOSE commands in ksmbd. A remote attacker can send specially crafted data to the server and execute arbitrary code on the system.
Remediation
Install update from vendor's website.