CVE-2022-50194: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: aoss: Fix refcount leak in qmp_cooling_devices_register Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node. When breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the child node. Add missing of_node_put() to avoid refcount leak.

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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 — 5.4.211
linux	linux_kernel	5.5 — 5.10.137
linux	linux_kernel	5.11 — 5.15.61
linux	linux_kernel	5.16 — 5.18.18
linux	linux_kernel	5.19 — 5.19.2

References

Advisories & Patches

https://git.kernel.org/stable/c/053543ac1d095132fcfd1263805d6e25afbdc6a8 https://git.kernel.org/stable/c/591f0697ccbac33760d3bb1ad96a5ba2b76ae9f0 https://git.kernel.org/stable/c/97713ed9b6cc4abaa2dcc8357113c56520dc6d7f https://git.kernel.org/stable/c/bc73c72a856c26df7410ddf15f42257cb4960fe9 https://git.kernel.org/stable/c/ca83c61a6ccf3934cf8d01d5ade30a5034993a86 https://git.kernel.org/stable/c/e6e0951414a314e7db3e9e24fd924b3e15515288

Frequently Asked Questions

What is CVE-2022-50194? +

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: aoss: Fix refcount leak in qmp_cooling_devices_register Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node. When breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the child node. Add missing of_node_put() to avoid refcount leak. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50194? +

CVE-2022-50194 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-2022-50194? +

CVE-2022-50194 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-2022-50194? +

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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