CVE-2021-47620
kernel: Bluetooth: refactor malicious adv data check
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 20, 2024
Updated · August 5, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read