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CVE Database›CVE-2023-54040

CVE-2023-54040

kernel: Linux kernel: Denial of Service due to incorrect FDIR filter fallback logic

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · August 5, 2026

Description

A flaw was found in the Linux kernel. Incorrect fallback logic within the FDIR (Flow Director) filter handling of the 'ice' network driver can occur when adding a filter. A local attacker with low privileges could exploit this flaw, leading to a memory leak. This memory leak could eventually result in a Denial of Service (DoS) condition on the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime