CVE-2021-47234: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init() Use clk_disable_unprepare() in the error path of mtk_phy_init() to fix some resource leaks.

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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	< 5.10.46
linux	linux_kernel	5.11 — 5.12.13
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/6472955af5e88b5489b6d78316082ad56ea3e489 https://git.kernel.org/stable/c/9a17907946232d01aa2ec109da5f93b8d31dd425 https://git.kernel.org/stable/c/aaac9a1bd370338ce372669eb9a6059d16b929aa https://git.kernel.org/stable/c/6472955af5e88b5489b6d78316082ad56ea3e489 https://git.kernel.org/stable/c/9a17907946232d01aa2ec109da5f93b8d31dd425 https://git.kernel.org/stable/c/aaac9a1bd370338ce372669eb9a6059d16b929aa

Frequently Asked Questions

What is CVE-2021-47234? +

In the Linux kernel, the following vulnerability has been resolved: phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init() Use clk_disable_unprepare() in the error path of mtk_phy_init() to fix some resource leaks. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2021-47234? +

CVE-2021-47234 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-2021-47234? +

CVE-2021-47234 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-2021-47234? +

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-2021-47234