CVE-2023-54301
Unknown Unknown - Not Provided
Resource Leak in Linux 8250_bcm7271 Serial Driver Fixed

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: serial: 8250_bcm7271: fix leak in `brcmuart_probe` Smatch reports: drivers/tty/serial/8250/8250_bcm7271.c:1120 brcmuart_probe() warn: 'baud_mux_clk' from clk_prepare_enable() not released on lines: 1032. The issue is fixed by using a managed clock.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-14
NVD
CVE-2023-54301
EUVD
EUVD-2023-60503
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel *
linux kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a resource leak in the Linux kernel's serial driver for the 8250_bcm7271 device. Specifically, the function brcmuart_probe() fails to release a clock resource ('baud_mux_clk') that was enabled with clk_prepare_enable(), leading to a leak. The issue is fixed by using a managed clock to ensure proper release.

Impact Analysis

The vulnerability can cause resource leaks in the kernel, potentially leading to increased memory or resource consumption, which might degrade system stability or performance over time.

Mitigation Strategies

Apply the patch that fixes the leak in brcmuart_probe by using a managed clock as described in the Linux kernel update for the 8250_bcm7271 driver.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-54301. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart