CVE-2023-52763

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

Description

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.

N/A

CVSS

Severity:

EPSS 0.10%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/39c71357e68e2f03766f9321b9f4882e49ff1442
https://git.kernel.org/stable/c/e64d23dc65810be4e3395d72df0c398f60c991f9
https://git.kernel.org/stable/c/3cb79a365e7cce8f121bba91312e2ddd206b9781
https://git.kernel.org/stable/c/eed74230435c61eeb58abaa275b1820e6a4b7f02
https://git.kernel.org/stable/c/b53e9758a31c683fc8615df930262192ed5f034b

Frequently Asked Questions

What is the severity of CVE-2023-52763?: CVE-2023-52763 has not yet been assigned a CVSS score.
How to fix CVE-2023-52763?: To fix CVE-2023-52763, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52763 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-52763 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-52763?: CVE-2023-52763 affects Linux Linux, Linux Linux.

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