CVE-2001-0371

6.2 MEDIUM 0.3% exploit odds Fix listed

What it is

Race condition in the UFS and EXT2FS file systems in FreeBSD 4.2 and earlier, and possibly other operating systems, makes deleted data available to user processes before it is zeroed out, which allows a local user to access otherwise restricted information.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2001-06-18 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 21:54 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 6.2 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2001-06-18 04:00 UTC
Last modified: 2026-06-16 21:54 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Record status: Modified

Affected

Freebsd ≤ 4.2

Attack profile CVSS 2.0 · 6.2

Attack vector: Local
Complexity: High
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:L/AC:H/Au:N/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2001-0371.md and follow it. Check whether this project is affected by CVE-2001-0371. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record