What’s Vulnerable › Vulnerabilities

CVE-2021-43411

Description

An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root access.

Affected products

How to fix

Upgrade to a fixed version: GNU Hurd 0.9.20210404-9. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2021-43411 or the next vulnerability affects your stack