# CVE-2023-3161

## Summary

- **CVE ID:** CVE-2023-3161
- **Severity:** UNKNOWN
- **CVSS Score:** 0
- **CWE:** CWE-1335
- **Published:** Jun 12, 2023
- **Last Modified:** Mar 13, 2026

## Description

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

## Affected Products

- n/a — Linux Kernel (fbcon) (Fixed in kernel 6.2-rc7)

## References

- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2213485)
- [CNA](https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.01%
- **EPSS Percentile:** 1.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._