What is CVE-2022-23084?

CVE-2022-23084 is a high-severity vulnerability in Freebsd, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.5/10. Published 2024-02-15.

How severe is CVE-2022-23084?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-23084 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Freebsd

CVE-2022-23084

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 t…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Freebsd — versions 13.1-RC1, 12.3-RELEASE, 13.0-RELEASE

Weakness classification (CWE)

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

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

secteam@freebsd.org (vendor-advisory, Vendor Advisory)
secteam@freebsd.org (Third Party Advisory)

Frequently asked questions

What is CVE-2022-23084?: CVE-2022-23084 is a high-severity vulnerability in Freebsd, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.5/10. Published 2024-02-15.
How severe is CVE-2022-23084?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-23084 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.