CVE-2023-54040
Unknown Unknown - Not Provided
Memory Leak in Linux Kernel ice Driver Due to FDIR Logic Flaw

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ice: fix wrong fallback logic for FDIR When adding a FDIR filter, if ice_vc_fdir_set_irq_ctx returns failure, the inserted fdir entry will not be removed and if ice_vc_fdir_write_fltr returns failure, the fdir context info for irq handler will not be cleared which may lead to inconsistent or memory leak issue. This patch refines failure cases to resolve this issue.
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Meta Information
Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-06-16
AI Q&A
2025-12-24
EPSS Evaluated
2026-06-15
NVD
CVE-2023-54040
EUVD
EUVD-2025-205121
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability occurs in the Linux kernel's ice driver related to the FDIR (Flow Director) filter logic. When adding a FDIR filter, if certain functions fail (ice_vc_fdir_set_irq_ctx or ice_vc_fdir_write_fltr), the system does not properly remove the inserted filter entry or clear the context information for the interrupt handler. This can lead to inconsistent states or memory leaks.

Impact Analysis

The impact of this vulnerability includes potential memory leaks and inconsistent internal states within the Linux kernel's network driver. This could degrade system stability or performance over time, possibly leading to resource exhaustion or unexpected behavior in network processing.

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