cve.bz

CVE-2021-43411

7.5 highEPSS 1.3%

High (7.5) in gnu hurd. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE
CWE-362
Published
Modified
Record from
the NVD, synced

Affected

References

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