While the IPA driver in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-08-31 is processing IOCTL commands there is no mutex lock of allocated memory. If one thread sends an ioctl cmd IPA_IOC_QUERY_RT_TBL_INDEX while another sends an ioctl cmd IPA_IOC_DEL_RT_RULE, a use-after-free condition may occur.
[
{
"product": "Android for MSM, Firefox OS for MSM, QRD Android",
"vendor": "Qualcomm, Inc.",
"versions": [
{
"status": "affected",
"version": "All Android releases from CAF using the Linux kernel"
}
]
}
]