CVE-2021-47620
Linux Bluetooth Out-of-Bound Read Vulnerability
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.
INFO
Published Date :
June 20, 2024, 11:15 a.m.
Last Modified :
Nov. 21, 2024, 6:36 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47620.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47620 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47620 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082 Added Reference https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e Added Reference https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e Added Reference https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c Added Reference https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67 Added Reference https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba Added Reference https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb Added Reference https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a Added Reference https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c -
Initial Analysis by [email protected]
Sep. 18, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082 No Types Assigned https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082 Patch Changed Reference Type https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e No Types Assigned https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e Patch Changed Reference Type https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e No Types Assigned https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e Patch Changed Reference Type https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c No Types Assigned https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c Patch Changed Reference Type https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67 No Types Assigned https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67 Patch Changed Reference Type https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba No Types Assigned https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba Patch Changed Reference Type https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb No Types Assigned https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb Patch Changed Reference Type https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a No Types Assigned https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a Patch Changed Reference Type https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c No Types Assigned https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c Patch Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.302 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.300 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.265 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.228 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.176 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.96 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.5 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 20, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47620 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47620
weaknesses.