CVEvulnerability

CVE-2022-23084

7.5 HIGH Published 2024-02-15 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-02-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-367

Description

The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin. This time-of-check to time-of-use bug 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.

Affected configurations

• freebsd freebsd (>= 12.0 < 12.3) • freebsd freebsd 12.3 • freebsd freebsd 13.0

Related

Weakness · CWE (1)

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness

References