CVE-2025-29481 — MEDIUM (6.2)

Vulnerability Description

Buffer Overflow vulnerability in libbpf 1.5.0 allows a local attacker to execute arbitrary code via the bpf_object__init_prog` function of libbpf. This has been disputed by third parties who assert that "no one in their sane mind should be passing untrusted ELF files into libbpf while running under root."

CVSS Score

6.2

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libbpf Project	Libbpf	1.5.0

Related Weaknesses (CWE)

CWE-120

References

https://github.com/lmarch2/poc/blob/main/libbpf/libbpf.mdExploitThird Party Advisory
https://github.com/lmarch2/poc/blob/main/libbpf/libbpf.mdExploitThird Party Advisory

FAQ

What is CVE-2025-29481?

CVE-2025-29481 is a vulnerability with a CVSS score of 6.2 (MEDIUM). Buffer Overflow vulnerability in libbpf 1.5.0 allows a local attacker to execute arbitrary code via the bpf_object__init_prog` function of libbpf. This has been disputed by third parties who assert th...

How severe is CVE-2025-29481?

CVE-2025-29481 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-29481?

Check the references section above for vendor advisories and patch information. Affected products include: Libbpf Project Libbpf.