CVE-2026-100074

0.0

bpf: Mark bpf_refcount field as unique

Overview
Vulnerability Timeline

Overview

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be. Fix this oversight.

Details

INFO

Published Date :

Sept. 25, 2026, 2:17 p.m.

Last Modified :

Sept. 30, 2026, 2:10 p.m.

Remotely Exploit :

No

Source :

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

Impact

Affected Products

The following products are affected by CVE-2026-100074 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

Address the BPF reference count field marking oversight to improve kernel stability.

Update the Linux kernel to the latest stable version.
Verify BPF reference count field is correctly marked.
Apply relevant kernel patches if necessary.

References

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-2026-100074.

URL	Resource
https://git.kernel.org/stable/c/61e655391cb19c31f94ecd4354f624c81ce4cf75
https://git.kernel.org/stable/c/641f814965d733936ca3618d4d5a12a8fa9be00e
https://git.kernel.org/stable/c/e42cede6f90177f4f92f80d3de18f628e61d2087

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-100074 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-2026-100074 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-2026-100074 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-2026-100074 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

Sep. 25, 2026

Action	Type	New Value
Added	Description	In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be. Fix this oversight.
Added	Affected	New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/100xxx/CVE-2026-100074.json">CVE-2026-100074</a>
Added	Reference	https://git.kernel.org/stable/c/61e655391cb19c31f94ecd4354f624c81ce4cf75
Added	Reference	https://git.kernel.org/stable/c/641f814965d733936ca3618d4d5a12a8fa9be00e
Added	Reference	https://git.kernel.org/stable/c/e42cede6f90177f4f92f80d3de18f628e61d2087

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.

Browse by Apps