CVE-2023-53743

kernel: Linux kernel: Denial of Service due to PCI resource leak

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 8, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's Peripheral Component Interconnect (PCI) subsystem. A local attacker with low privileges could exploit a vulnerability where the release_resource() function fails to free the resource list entry after coalescing. This resource leak could lead to a system crash, resulting in a Denial of Service (DoS).

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