CVE-2021-3454

Truncated L2CAP K-frame causes assertion failure

Description

Truncated L2CAP K-frame causes assertion failure. Zephyr versions >= 2.4.0, >= v.2.50 contain Improper Handling of Length Parameter Inconsistency (CWE-130), Reachable Assertion (CWE-617). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fx88-6c29-vrp3

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory github.com
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fx88-6c29-vrp3 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-3454?
CVE-2021-3454 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3454?
To fix CVE-2021-3454, 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-2021-3454 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3454 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-2021-3454?
CVE-2021-3454 affects zephyrproject-rtos zephyr.
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