CVE-2022-50038: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/meson: Fix refcount bugs in meson_vpu_has_available_connectors() In this function, there are two refcount leak bugs: (1) when breaking out of for_each_endpoint_of_node(), we need call the of_node_put() for the 'ep'; (2) we should call of_node_put() for the reference returned by of_graph_get_remote_port() when it is not used anymore.

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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	4.10 — 4.14.291
linux	linux_kernel	4.15 — 4.19.256
linux	linux_kernel	4.20 — 5.4.211
linux	linux_kernel	5.5 — 5.10.138
linux	linux_kernel	5.11 — 5.15.63
linux	linux_kernel	5.16 — 5.19.4
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/3aa710e96747c8b4e52ba12ffe09edcb2755897c https://git.kernel.org/stable/c/6a758f0ba11699837af9e1a0f7cbac6ef765a23e https://git.kernel.org/stable/c/8dec38e19f6928235d4009ce55f7add8af34e5c7 https://git.kernel.org/stable/c/91b3c8dbe898df158fd2a84675f3a284ff6666f7 https://git.kernel.org/stable/c/d58ef256781398ad115aef44de0a02ad27ea6c3a https://git.kernel.org/stable/c/fc1fc2abfcb9235d0ece9a4d858426fb617cfa66 https://git.kernel.org/stable/c/fe71d84c1a6c0d54657431e8eeaefc9d24895304

Frequently Asked Questions

What is CVE-2022-50038? +

In the Linux kernel, the following vulnerability has been resolved: drm/meson: Fix refcount bugs in meson_vpu_has_available_connectors() In this function, there are two refcount leak bugs: (1) when breaking out of for_each_endpoint_of_node(), we need call the of_node_put() for the 'ep'; (2) we should call of_node_put() for the reference returned by of_graph_get_remote_port() when it is not used anymore. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50038? +

CVE-2022-50038 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-2022-50038? +

CVE-2022-50038 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-2022-50038? +

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-2022-50038