CVE-2022-50176: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/mcde: Fix refcount leak in mcde_dsi_bind Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.

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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:H/I:N/A:N

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.3 — 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/3123ae6fdd4013d24a3a4877084b14e917faae5c https://git.kernel.org/stable/c/32c827e30bb44ae809950a9efab59e98e44d30e5 https://git.kernel.org/stable/c/3a149169e4a2f9127022fec6ef5d71b4e804b3b9 https://git.kernel.org/stable/c/7214902de5b1fb2b632a7b8b3b9540e41aabab38 https://git.kernel.org/stable/c/87c35bbefdfa3c5edfb8c80f5c04717aaacc629d https://git.kernel.org/stable/c/f57699a9b66ea11f000f56d1f1179059239b8690

Frequently Asked Questions

What is CVE-2022-50176? +

In the Linux kernel, the following vulnerability has been resolved: drm/mcde: Fix refcount leak in mcde_dsi_bind Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50176? +

CVE-2022-50176 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-2022-50176? +

CVE-2022-50176 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-2022-50176? +

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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