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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00029.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
048acfa4daf167b007b6bd8bef474e90c2282a5f affected < 305e92f525450f3e1b5f5c9dc7eadb152d66a082
7d4238edd3bf8b8c75571cc3b382bc10438ac588 affected < 7889b38a7f21ed19314f83194622b195d328465c
185c77cbb53bc7481acc5a0b4e6119bbe393d561 affected < 5a539c08d743d9910631448da78af5e961664c0e
4a1491432394b22e585a185ffca49086e4046aae affected < 8819f93cd4a443dfe547aa622b21f723757df3fb
24161b9c43de966789d5956428f45002d10f878e affected < 835d3706852537bf92eb23eb8635b8dee0c0aa67
ffc9019bd991707701273c2e5d8aed472229fc4d affected < 83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba
2de0e6a71ceb056e17e4684dce8b7640367996f9 affected < bcea886771c3f22a590c8c8b9139a107bd7f1e1c
640a476e38fce6c70c738ac09e5167e34f570303 affected < 5c968affa804ba98c3c603f37ffea6fba618025e
3a56ef719f0b9682afb8a86d64b2399e36faa4e6 affected < 899663be5e75dc0174dc8bda0b5e6826edf0b29a
Linux Linux unaffected
Version Status Constraints
4.4.300 affected < 4.4.302
4.9.298 affected < 4.9.300
4.14.263 affected < 4.14.265
4.19.226 affected < 4.19.228
5.4.174 affected < 5.4.176
5.10.94 affected < 5.10.96
5.15.17 affected < 5.15.19
5.16.3 affected < 5.16.5

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors Products
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Linux Kernel Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082 cve-icon cve-icon
https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e cve-icon cve-icon
https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e cve-icon cve-icon
https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c cve-icon cve-icon
https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67 cve-icon cve-icon
https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba cve-icon cve-icon
https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb cve-icon cve-icon
https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a cve-icon cve-icon
https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024062014-CVE-2021-47620-a200@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47620 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47620 cve-icon
History

Thu, 19 Dec 2024 08:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 18 Sep 2024 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-18T11:38:14.146Z

Reserved: 2024-06-20T11:03:43.235Z

Link: CVE-2021-47620

cve-icon Vulnrichment

Updated: 2024-08-04T05:47:40.577Z

cve-icon NVD

Status : Modified

Published: 2024-06-20T11:15:54.653

Modified: 2024-11-21T06:36:41.233

Link: CVE-2021-47620

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-06-20T00:00:00Z

Links: CVE-2021-47620 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses