Learn about CVE-2020-2024, an improper link resolution vulnerability in Kata Containers prior to version 1.11.0 that allows malicious guests to impact the host system. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
An improper link resolution vulnerability in Kata Containers prior to version 1.11.0 allows a malicious guest to manipulate the kata-runtime, potentially leading to a host Denial of Service (DoS).
Understanding CVE-2020-2024
This CVE involves an improper link resolution vulnerability in Kata Containers that can be exploited by guests to impact the host system.
What is CVE-2020-2024?
This vulnerability in Kata Containers versions before 1.11.0 enables a malicious guest to deceive the kata-runtime into unmounting any mount point on the host, potentially causing a DoS when all mount points underneath it are also unmounted.
The Impact of CVE-2020-2024
The vulnerability has a CVSS base score of 6.5, with a medium severity rating. It can lead to a high impact on availability, potentially affecting the host system's operations.
Technical Details of CVE-2020-2024
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows a guest in Kata Containers to manipulate the kata-runtime during container teardown, leading to unmounting of host mount points and potential DoS.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by a malicious guest to trick the kata-runtime into unmounting host mount points, impacting the host system's availability.
Mitigation and Prevention
Protecting systems from CVE-2020-2024 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates