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CVE-2022-49189

clk: qcom: clk-rcg2: Update logic to calculate D value for RCG PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 99cbd064b059f222c8839ba433a68b2d6ee33066 before 52592f9afbfe01bce8f8953e4f19cbe3bcbdbd3a; affected 99cbd064b059f222c8839ba433a68b2d6ee33066 before 334720f418f57b1d969dad2117b21f9388cb9395; affected 99cbd064b059f222c8839ba433a68b2d6ee33066 before 34dca60982e93e69ae442aa2d36ce61c9a3bb563; affected 99cbd064b059f222c8839ba433a68b2d6ee33066 before 96888f0dcf351e758b9df57e015a48427ca709c1; affected 99cbd064b059f222c8839ba433a68b2d6ee33066 before a4e2e31971354790b0d1fa3e783452a9d135fcff; affected 99cbd064b059f222c8839ba433a68b2d6ee33066 before 58922910add18583d5273c2edcdb9fd7bf4eca02
Linux / Linuxaffected 3.16; unaffected 0 before 3.16; unaffected 5.4.189 through 5.4.*; unaffected 5.10.110 through 5.10.*; unaffected 5.15.33 through 5.15.*; unaffected 5.16.19 through 5.16.*; unaffected 5.17.2 through 5.17.*; unaffected 5.18 through *

CWE

No CWE identifiers supplied.

References