CVE-2021-47620

Bluetooth: refactor malicious adv data check

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: refactor malicious adv data check Check for out-of-bound read was being performed at the end of while num_reports loop, and would fill journal with false positives. Added check to beginning of loop processing so that it doesn't get checked after ptr has been advanced.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-47620?
CVE-2021-47620 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47620?
To fix CVE-2021-47620, 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-2021-47620 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47620 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-2021-47620?
CVE-2021-47620 affects Linux Linux, Linux Linux.
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