BaseFortify

Publication date: 2025-12-24

Last updated on: 2025-12-29

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afu_ioctl() eventfd_ctx_put need to be called to put the refcount that gotten by eventfd_ctx_fdget when ocxl_irq_set_handler fails.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-24

Last Modified

2025-12-29

Generated

2026-07-06

AI Q&A

2025-12-24

EPSS Evaluated

2026-07-05

NVD

CVE-2022-50742

EUVD

EUVD-2022-55819

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a possible reference count leak in the Linux kernel's ocxl driver, specifically in the afu_ioctl() function. When the ocxl_irq_set_handler function fails, the eventfd_ctx_put function needs to be called to properly decrement the reference count obtained by eventfd_ctx_fdget. Failure to do so can lead to a resource leak.

Impact Analysis

The impact of this vulnerability could be a resource leak in the Linux kernel, which may lead to increased memory usage or system instability over time if the reference counts are not properly managed.

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