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CVE-2025-37939
Linux Kernel libbpf Buffer Read Overflow Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: libbpf: Fix accessing BTF.ext core_relo header Update btf_ext_parse_info() to ensure the core_relo header is present before reading its fields. This avoids a potential buffer read overflow reported by the OSS Fuzz project.

INFO

Published Date :

May 20, 2025, 4:15 p.m.

Last Modified :

May 21, 2025, 8:25 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-37939 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
This information is provided by the 3rd party feeds.
  • Update the affected kernel package.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-37939.

URL Resource
https://git.kernel.org/stable/c/0a7c2a84359612e54328aa52030eb202093da6e2
https://git.kernel.org/stable/c/3a67f60f0a8be10cea7a884a1a00e9feb6645657
https://git.kernel.org/stable/c/d529411ec44535308c5d59cbeff74be6fe14b479
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-37939 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-37939 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-37939 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-37939 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 20, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: libbpf: Fix accessing BTF.ext core_relo header Update btf_ext_parse_info() to ensure the core_relo header is present before reading its fields. This avoids a potential buffer read overflow reported by the OSS Fuzz project.
    Added Reference https://git.kernel.org/stable/c/0a7c2a84359612e54328aa52030eb202093da6e2
    Added Reference https://git.kernel.org/stable/c/3a67f60f0a8be10cea7a884a1a00e9feb6645657
    Added Reference https://git.kernel.org/stable/c/d529411ec44535308c5d59cbeff74be6fe14b479
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.