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A NULL pointer dereference affects the Linux kernel hwmon w83792d driver. During subclient detection, a device-supplied value satisfying the bit condition (val & 0x08) && !(val & 0x80) && ((val & 0x07) == ((val >> 4) & 0x07)) can cause the driver to dereference an uninitialized NULL entry in its obsolete lm75 subclient structure. The structure was unnecessary following conversion to managed I2C dummy-device creation. The fix removes the unused lm75 array and eliminates the dereference condition.
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No public exploit code observed for this vulnerability.
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3 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.