CVE-2021-3433

BT: Invalid channel map in CONNECT_IND results to Deadlock

Description

Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp

Category

4.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory github.com
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3433?
CVE-2021-3433 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3433?
To fix CVE-2021-3433, 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-2021-3433 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3433 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-2021-3433?
CVE-2021-3433 affects zephyrproject-rtos zephyr.
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