Buffer overflow in Freebsd

CVE-2022-23092

The implementation of lib9p's handling of RWALK messages was missing a bounds check needed when unpacking the message contents. The missing check means that the receipt of a specially crafted message will cause lib9p to overwrite unrelate…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Freebsd — versions 13.1, 13.0-RELEASE, 13.1-RELEASE

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23092?
CVE-2022-23092 is a high-severity vulnerability in Freebsd, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2024-02-15.
How severe is CVE-2022-23092?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-23092 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.