Product:
Microsoft Defender for Linux
Summary
A time-of-check time-of-use race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally. This vulnerability can lead to significant disruptions in service availability. It is classified as having a high severity due to its potential impact on system integrity and confidentiality.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7 | CVE-2025-59497 |
Exploitation
To exploit this vulnerability, an attacker with local access can manipulate the timing of operations to create a race condition. By doing so, they can interfere with the normal functioning of the software, leading to a denial of service. This requires a certain level of privilege, but once achieved, the attacker can effectively disrupt the service.
Affected Products
- Microsoft Defender for Linux: A security solution designed to protect Linux systems from various threats, which is affected by a race condition vulnerability.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Regularly updating the software and monitoring for any unusual activity can help prevent exploitation. Additionally, limiting local access to trusted users can reduce the risk of unauthorized exploitation.