Home/CVE/A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bo
CVE

CVE-2022-23085

A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bo

A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bounds checking could lead to kernel memory corruption. On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.

HIGH · CVSS 8.2 EPSS 0.0017
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
freebsd>= 12.0 and < 12.3
freebsdall versions
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · secteam@freebsd.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Feb 2024 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.ascVendor Advisory
https://security.netapp.com/advisory/ntap-20240322-0004/Third Party Advisory
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