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CVE-2025-29481

19
FAUCET Score

CVE-2025-29481 describes a buffer overflow vulnerability in libbpf version 1.5.0, specifically within the bpf_object__init_prog function, affecting the libbpf_project. This flaw could allow a local attacker to achieve arbitrary code execution. Rated as MEDIUM with a CVSS score of 6.2, the vulnerability has a low attack complexity and does not require user interaction, though its impact is limited to availability. Despite its potential, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.5.0CPE matchmatch criteria
cpe:2.3:a:libbpf_project:libbpf:1.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.2MEDIUM

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 Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 23rd percentile among its peer group of 3,049 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: 20211-17086Fixed in: 1.0.1-2
microsoftpatch availablevia msrc
Product: 19404-17084Fixed in: 0.29.1-3
microsoftpatch availablevia msrc
Product: 19405-17084Fixed in: 1.25-2
microsoftpatch availablevia msrc
Product: 19406-17084Fixed in: 1.2.2-2
microsoftpatch availablevia msrc
Product: cbl2 libbpf 1.0.1-2 on CBL Mariner 2.0Fixed in: 1.0.1-2
microsoftpatch availablevia msrc
Product: azl3 bcc 0.29.1-3 on Azure Linux 3.0Fixed in: 0.29.1-3
microsoftpatch availablevia msrc
Product: azl3 dwarves 1.25-2 on Azure Linux 3.0Fixed in: 1.25-2
microsoftpatch availablevia msrc
Product: azl3 libbpf 1.2.2-2 on Azure Linux 3.0Fixed in: 1.2.2-2

Vendor Advisories (2)

microsoft2025-Apr/CVE-2025-29481Moderate

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.

Apr 8, 2025
redhatCVE-2025-29481Moderate

libbpf: Heap Buffer Overflow in libbpf

Apr 7, 2025

References

github.com / lmarch2/poc/blob/main/libbpf/libbpf.md
ExploitThird Party Advisory