mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
CVE-2023-53443

Currently unrated

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
18 September 2025

What is CVE-2023-53443?

In the Linux kernel, the following vulnerability has been resolved:

mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak

In arizona_clk32k_enable(), we should use pm_runtime_resume_and_get() as pm_runtime_get_sync() will increase the refcnt even when it returns an error.

Affected Version(s)

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7195e642b49af60d4120fa1b45bd812ba528174f

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 754e81ff44061dda68da0fd4ef51bd1aa9fbf2cf

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5a47bb71b1a94a279144fc3031d3c4591b38dd16

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2023-53443 : Linux Kernel Vulnerability in Arizona MFD - Refcnt Leak Issue