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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-11-07T17:06:29

Updated: 2024-08-04T03:55:28.676Z

Reserved: 2021-11-07T00:00:00

Link: CVE-2021-43411

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-11-07T18:15:07.693

Modified: 2023-11-07T03:39:21.267

Link: CVE-2021-43411

cve-icon Redhat

No data.