🛡️ CVE-2022-23085 — freebsd

🟠 CVSS 8.2 — High ✅ No Known Exploit CWE-787 NVD
8.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-23085 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2022-23085 is recorded against 1 package.

  • freebsd

Timeline and source

Published on 15 February 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

security.freebsd.org
security.netapp.com
security.freebsd.org
security.netapp.com

Details

Severity HIGH
CVSS Score 8.2
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE CWE-787
Public Exploit ✅ No
Source NVD
Published 2024-02-15
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
freebsd — —

Similar Threats

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