CVE Database›Document archive›CVE-2023-54312

CVE-2023-54312

kernel: samples/bpf: Fix buffer overflow in tcp_basertt

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Severity

Low

Red Hat Product Security

2.5

CVSS 3.1

Review impact separately from score.

Published · December 30, 2025

Updated · June 30, 2026

Description

A buffer overflow was found in the BPF sample code tcp_basertt. Incorrect buffer size calculation could cause out-of-bounds writes when copying string data.

Statement

This is in samples/bpf code which is not compiled or included in production kernels. It serves only as example code for BPF developers. Production systems are unaffected.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 2.5
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-131 · Incorrect Calculation of Buffer Size