CVE-2022-49189: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: clk-rcg2: Update logic to calculate D value for RCG The display pixel clock has a requirement on certain newer platforms to support M/N as (2/3) and the final D value calculated results in underflow errors. As the current implementation does not check for D value is within the accepted range for a given M & N value. Update the logic to calculate the final D value based on the range.

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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	3.16 — 5.4.189
linux	linux_kernel	5.5 — 5.10.110
linux	linux_kernel	5.11 — 5.15.33
linux	linux_kernel	5.16 — 5.16.19
linux	linux_kernel	5.17 — 5.17.2

References

Advisories & Patches

https://git.kernel.org/stable/c/334720f418f57b1d969dad2117b21f9388cb9395 https://git.kernel.org/stable/c/34dca60982e93e69ae442aa2d36ce61c9a3bb563 https://git.kernel.org/stable/c/52592f9afbfe01bce8f8953e4f19cbe3bcbdbd3a https://git.kernel.org/stable/c/58922910add18583d5273c2edcdb9fd7bf4eca02 https://git.kernel.org/stable/c/96888f0dcf351e758b9df57e015a48427ca709c1 https://git.kernel.org/stable/c/a4e2e31971354790b0d1fa3e783452a9d135fcff

Frequently Asked Questions

What is CVE-2022-49189? +

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: clk-rcg2: Update logic to calculate D value for RCG The display pixel clock has a requirement on certain newer platforms to support M/N as (2/3) and the final D value calculated results in underflow errors. As the current implementation does not check for D value is within the accepted range for a given M & N value. Update the logic to calculate the final D value based on the range. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49189? +

CVE-2022-49189 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-2022-49189? +

CVE-2022-49189 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-2022-49189? +

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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