CVE-2001-1166: Medium severity FreeBSD FreeBSD vulnerability

Published Aug 21, 2001
·
Updated

linprocfs on FreeBSD 4.3 and earlier does not properly restrict access to kernel memory, which allows one process with debugging rights on a privileged process to read restricted memory from that process.

Affected Software

4 affected components
FreeBSD FreeBSD=4.1
FreeBSD FreeBSD=4.2
FreeBSD FreeBSD=4.0
FreeBSD FreeBSD=4.3

Event History

Aug 21, 2001
CVE Published
04:00 AM
Jun 25, 2002
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2001-1166?

CVE-2001-1166 is considered a high severity vulnerability due to its potential to expose sensitive kernel memory.

2

How do I fix CVE-2001-1166?

To fix CVE-2001-1166, upgrade to a later version of FreeBSD that properly restricts access to kernel memory.

3

What software versions are affected by CVE-2001-1166?

CVE-2001-1166 affects FreeBSD versions 4.0, 4.1, 4.2, and 4.3.

4

Who is vulnerable to CVE-2001-1166?

Any user process on FreeBSD systems with debugging rights can exploit CVE-2001-1166 to read restricted kernel memory.

5

What impact does CVE-2001-1166 have on FreeBSD systems?

CVE-2001-1166 can lead to unauthorized access to sensitive information, compromising the security of FreeBSD systems.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203