BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove it is possible that the update counters work might be pending, and may run after memory has been freed. Cancel the update counters work before freeing memory.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-01

Last Modified

2025-10-02

Generated

2026-07-06

AI Q&A

2025-10-01

EPSS Evaluated

2026-07-05

NVD

CVE-2023-53488

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 5.15.160 (inc) to 5.16 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Mitigation Strategies

To mitigate this vulnerability, update your Linux kernel to a version that includes the fix for the IB/hfi1 hotplug remove panic issue. This fix cancels the update counters work before freeing memory to prevent possible kernel panic during hotplug remove operations.

Executive Summary

This vulnerability occurs in the Linux kernel's IB/hfi1 driver where during a hotplug remove operation, there is a risk that update counters work might still be pending and could execute after the associated memory has already been freed. This can cause a system panic. The fix involves canceling the update counters work before freeing the memory to prevent this issue.

Impact Analysis

This vulnerability can cause a system panic during hotplug remove operations in the Linux kernel, potentially leading to system crashes or instability.

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