PT-2026-61253 · Linux · Linux
CVE-2026-63936
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Published
2026-07-19
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Updated
2026-07-19
None
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In the Linux kernel, the following vulnerability has been resolved:
iio: adc: mt6359: fix unchecked return value in mt6358 read imp
In mt6358 read imp(), the variable val v is passed to regmap read()
but the return value is not checked. If the read fails, val v remains
uninitialized and its random stack content is subsequently reported
as a measurement result.
Initialize val v to zero to ensure a predictable value is reported
in case of bus failure and to prevent potential stack data leakage.
This also satisfies static analyzers that might otherwise flag the
variable as used uninitialized.
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Related Identifiers
Affected Products
Linux