CVE-2023-0397

Public Exploit
DoS: Invalid Initialization in le_read_buffer_size_complete

Description

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

Categories

9.6
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory github.com
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-0397?
CVE-2023-0397 has been scored as a critical severity vulnerability.
How to fix CVE-2023-0397?
To fix CVE-2023-0397, 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-2023-0397 being actively exploited in the wild?
It is possible that CVE-2023-0397 is being exploited or will be exploited in a near future based on public information. 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-2023-0397?
CVE-2023-0397 affects zephyrproject-rtos zephyr.
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