SB2025080624 - Race condition in Linux kernel ksmbd component
Published: August 6, 2025
Security Bulletin ID
SB2025080624
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2023-32256)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a race condition when handling SMB2_QUERY_INFO and SMB2_LOGOFF commands within the ksmbd component. A remote attacker can trigger a use-after-free and gain access to sensitive information or crash the system.
Remediation
Install update from vendor's website.