linprocfs on FreeBSD 4.3 and earlier does not properly restrict access to kernel memory…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01386 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·FreeBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1166
- 2026-10-03 Alias added: GHSA-4294-5ggf-cc4h
References
Other 1
More Freebsd vulnerabilities
- TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
- TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
- TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
Sources
- CVE-2001-1166 · CVE Program
- CVE-2001-1166 · NVD
- FIRST EPSS
- GHSA-4294-5ggf-cc4h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences