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auxdisplay: jhd1313: Out-of-bounds read #83399

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thedjnK opened this issue Dec 26, 2024 · 0 comments · May be fixed by #83263 or #83262
Open

auxdisplay: jhd1313: Out-of-bounds read #83399

thedjnK opened this issue Dec 26, 2024 · 0 comments · May be fixed by #83263 or #83262
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@thedjnK
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area: Aux display bug The issue is a bug, or the PR is fixing a bug

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@thedjnK
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thedjnK commented Dec 26, 2024

Describe the bug
There is an out of bounds read in the jhd1313 auxdisplay driver caused by checking a variable being greater than the array size of colours, when it should instead be greater than or equal.

Expected behavior
No out of bounds read

Impact
Undefined behaviour

Environment (please complete the following information):

  • Commit SHA or Version used: v3.7-branch and v4.0-branch
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@thedjnK thedjnK

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area: Aux display bug The issue is a bug, or the PR is fixing a bug
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@thedjnK