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CVE-2023-53290

kernel: Linux kernel: Denial of Service due to file descriptor leak in BPF sample code

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 16, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. This vulnerability, a file descriptor leak, occurs in the samples/bpf component when the fout file pointer is opened but not properly closed in the hbm's run_bpf_prog function. A local attacker could exploit this by repeatedly triggering the flaw, leading to resource exhaustion and a Denial of Service (DoS) 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