medium6.7
CVE-2023-28577
In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used.
Impact
In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a function called cam_mem_get_cpu_buf to get the kernel va to use, another thread can call CAM_REQ_MGR_RELEASE_BUF to unmap the kernel va which cause UAF of the kernel address.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qualcomm | Fastconnect 6800 Firmware | All versions |
| Qualcomm | Fastconnect 6900 Firmware | All versions |
| Qualcomm | Fastconnect 7800 Firmware | All versions |
| Qualcomm | Qca6391 Firmware | All versions |
| Qualcomm | Qca6426 Firmware | All versions |
| Qualcomm | Qca6436 Firmware | All versions |
| Qualcomm | Qcn9074 Firmware | All versions |
| Qualcomm | Qcs410 Firmware | All versions |
| Qualcomm | Qcs610 Firmware | All versions |
| Qualcomm | Sd865 5g Firmware | All versions |
| Qualcomm | Snapdragon 8 Gen 1 Firmware | All versions |
| Qualcomm | Snapdragon 865 5g Firmware | All versions |