Use-after-free condition due to Improper handling of hrtimers when the PMU driver tries to access its events in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9206, MDM9607, MDM9650, MSM8909W, QCS605, Qualcomm 215, SD 425, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 712 / SD 710 / SD 670, SD 820A, SD 845 / SD 850, SD 855, SDM439, SDM630, SDM660, SDX24
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
Link | Tags |
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https://www.codeaurora.org/security-bulletin/2019/04/01/april-2019-code-aurora-security-bulletin | third party advisory |