CVE-2026-74298

Received Received - Intake

RDMA Core FRMR Resource Leak Fix

Publication date: 2026-08-15

Last updated on: 2026-08-17

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix FRMR set pinned push error path Add destruction of FRMR handles in case the push to the pool fails. This prevents resources leak in case pool page allocation fails.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-15

Last Modified

2026-08-17

Generated

2026-09-05

AI Q&A

2026-08-15

EPSS Evaluated

2026-09-03

NVD

CVE-2026-74298

EUVD

EUVD-2026-59445

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability in the Linux kernel involves a failure to properly handle FRMR (Fast Registration Memory Region) handles when pushing to a pool fails. This can lead to resource leaks if page allocation in the pool fails.

Detection Guidance

This vulnerability is specific to the Linux kernel's RDMA subsystem and involves a resource leak in FRMR handle destruction. Detection requires checking for kernel logs or errors related to RDMA operations, particularly during FRMR pool failures. Monitor dmesg or syslog for messages about FRMR handle destruction failures or resource leaks.

Impact Analysis

This vulnerability may cause system resource leaks, potentially leading to degraded performance or denial of service if FRMR handles are not properly released. It primarily affects systems using RDMA (Remote Direct Memory Access) functionality.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves a resource leak in the Linux kernel's RDMA subsystem due to a failed FRMR handle push. No evidence suggests data exposure or privacy violations.

Mitigation Strategies

Update the Linux kernel to a patched version that includes the fix for CVE-2026-74298 to address the FRMR resource leak issue.

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