CVE-2023-52763 i3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DAT_data.

In the Linux kernel, the following vulnerability has been resolved: i3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DATdata. The i3cmasterbusinit function may attach the I2C devices before the I3C bus initialization. In this flow, the DAT allocentry will be used before the DAT init...

CVE-2023-52763

The CVE-2023-52763 issue concerns the Linux kernel i3c master driver (i3c: master: mipi-i3c-hci). The root cause is a use-after-init sequence: i3c_master_bus_init may attach I2C devices before the I3C bus is initialized, causing the DAT_data alloc_entry to be used before init, and, if init fails,...