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medium5.5

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 …

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.16 before 5.4.189
from 5.5 before 5.10.110
from 5.11 before 5.15.33
from 5.16 before 5.16.19
from 5.17 before 5.17.2

References