CVE-2022-48859: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: Add missing of_node_put() in prestera_switch_set_base_mac_addr This node pointer is returned by of_find_compatible_node() with refcount incremented. Calling of_node_put() to aovid the 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

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.10 — 5.15.29
linux	linux_kernel	5.16 — 5.16.15

References

Advisories & Patches

https://git.kernel.org/stable/c/4cc66bf17220ff9631f9fa99b02a872e0ad5a08b https://git.kernel.org/stable/c/b7c2fd1d126329340639adfb8dd2938fe4b65df7 https://git.kernel.org/stable/c/c9ffa3e2bc451816ce0295e40063514fabf2bd36 https://git.kernel.org/stable/c/4cc66bf17220ff9631f9fa99b02a872e0ad5a08b https://git.kernel.org/stable/c/b7c2fd1d126329340639adfb8dd2938fe4b65df7 https://git.kernel.org/stable/c/c9ffa3e2bc451816ce0295e40063514fabf2bd36

Frequently Asked Questions

What is CVE-2022-48859? +

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: Add missing of_node_put() in prestera_switch_set_base_mac_addr This node pointer is returned by of_find_compatible_node() with refcount incremented. Calling of_node_put() to aovid the refcount leak. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48859? +

CVE-2022-48859 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-2022-48859? +

CVE-2022-48859 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-2022-48859? +

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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CVE-2022-48859