libbpf 1.5.0 bpf_object__init_prog buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in libbpf 1.5.0. This impacts the function bpf_object__init_prog. Performing a manipulation results in buffer overflow. This vulnerability is identified as CVE-2025-29481. The attack is only possible with local access. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in libbpf 1.5.0. This affects the function bpf_object__init_prog. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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."

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-29481 since 03/11/2025. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 234213 (Linux Distros Unpatched Vulnerability : CVE-2025-29481), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (234213). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

ADP CISA Base Score: 6.2
ADP CISA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 234213
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-29481

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/11/2025 🔍
04/08/2025 +27 days 🔍
04/08/2025 +0 days 🔍
02/25/2026 +323 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-29481 (🔍)
GCVE (CVE): GCVE-0-2025-29481
GCVE (VulDB): GCVE-100-303741
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/08/2025 06:00
Updated: 02/25/2026 12:27
Changes: 04/08/2025 06:00 (55), 04/14/2025 21:29 (2), 02/25/2026 12:27 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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