While calling the IPA IOCTL handler for IPA_IOC_ADD_HDR_PROC_CTX in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-10-13, a use-after-free condition may potentially occur.
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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://source.android.com/security/bulletin/pixel/2018-02-01 | vendor advisory |
https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=81ea9c34f575422a78015535c619500c34b8a69c | third party advisory patch |