CVE-2021-45941

libbpf: heap-based buffer overflow (8 bytes) in __bpf_object__open

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Severity

Moderate

Red Hat Product Security

4.5

CVSS 3.1

Review impact separately from score.

Published · January 1, 2022

Updated · June 27, 2026

Description

A flaw was found in libbpf. The vulnerability occurs due to incorrect handling of memory in the __bpf_object__open function and leads to a heap-buffer-overflow. This flaw allows an attacker to execute unauthorized code or commands, read memory, or modify memory.

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 · 4.5
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write