Bug 2426231 (CVE-2023-54301)

Summary: CVE-2023-54301 kernel: serial: 8250_bcm7271: fix leak in `brcmuart_probe`
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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OS: Linux   
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Description OSIDB Bzimport 2025-12-30 13:18:08 UTC 
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.
Comment 1 Alexander B 2025-12-30 23:32:55 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123032-CVE-2023-54301-630e@gregkh/T