Unhandled paging request is observed due to dereferencing an already freed object because of race condition between sparse free and sparse bind ioctls which access the same physical entry in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8096AU, APQ8098, MDM9607, MSM8909W, MSM8939, MSM8953, MSM8996AU, Nicobar, QCS405, QCS605, Rennell, SA6155P, Saipan, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM450, SDM632, SDM670, SDM710, SDM845, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Link | Tags |
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https://www.qualcomm.com/company/product-security/bulletins/march-2020-bulletin | vendor advisory |