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CVE-2023-53818

kernel: Kernel: A flaw in ARM Zynq could lead to system unavailability

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 9, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. A local attacker could exploit a vulnerability in the ARM Zynq component, specifically within the zynq_early_slcr_init function. This flaw, a 'reference count leak,' means that system resources are not properly released, which can lead to resource exhaustion. Consequently, this could result in a Denial of Service (DoS), making the system unavailable to legitimate users.

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