CVE-2023-53443: linux kernel — Fix

Description

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.4.235
linux	linux_kernel	5.5 — 5.10.173
linux	linux_kernel	5.11 — 5.15.100
linux	linux_kernel	5.16 — 6.1.18
linux	linux_kernel	6.2 — 6.2.5

References

Advisories & Patches

https://git.kernel.org/stable/c/4414a7ab80cebf715045e3c4d465feefbad21139 https://git.kernel.org/stable/c/5a47bb71b1a94a279144fc3031d3c4591b38dd16 https://git.kernel.org/stable/c/7195e642b49af60d4120fa1b45bd812ba528174f https://git.kernel.org/stable/c/754e81ff44061dda68da0fd4ef51bd1aa9fbf2cf https://git.kernel.org/stable/c/9893771097b22a8743a446e45994a177795ca4da https://git.kernel.org/stable/c/dc9437e9889c3dacf1f320e3cf08da74127573fe

Frequently Asked Questions

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53443? +

CVE-2023-53443 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-53443? +

CVE-2023-53443 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-53443? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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