CVE-2023-52763

In the Linux kernel, the following vulnerability has been resolved: i3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DAT_data. The `i3c_master_bus_init` function may attach the I2C devices before the I3C bus initialization. In this flow, the DAT `alloc_entry`` will be used before the DAT `init`. Additionally, if the `i3c_master_bus_init` fails, the DAT `cleanup` will execute before the device is detached, which will execue DAT `free_entry` function. The above scenario can cause the driver to use DAT_data when it is NULL.

• https://git.kernel.org/stable/c/39c71357e68e2f03766f9321b9f4882e49ff1442Patch
• https://git.kernel.org/stable/c/3cb79a365e7cce8f121bba91312e2ddd206b9781Patch
• https://git.kernel.org/stable/c/b53e9758a31c683fc8615df930262192ed5f034bPatch
• https://git.kernel.org/stable/c/e64d23dc65810be4e3395d72df0c398f60c991f9Patch
• https://git.kernel.org/stable/c/eed74230435c61eeb58abaa275b1820e6a4b7f02Patch
• https://git.kernel.org/stable/c/39c71357e68e2f03766f9321b9f4882e49ff1442Patch
• https://git.kernel.org/stable/c/3cb79a365e7cce8f121bba91312e2ddd206b9781Patch
• https://git.kernel.org/stable/c/b53e9758a31c683fc8615df930262192ed5f034bPatch
• https://git.kernel.org/stable/c/e64d23dc65810be4e3395d72df0c398f60c991f9Patch
• https://git.kernel.org/stable/c/eed74230435c61eeb58abaa275b1820e6a4b7f02Patch

Published

May 21, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

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