Linux Kernel up to 5.12.9 mt7921 mt7921_mcu_tx_rate_report out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.12.9. Affected by this vulnerability is the function mt7921_mcu_tx_rate_report of the component mt7921. Executing a manipulation can lead to out-of-bounds. This vulnerability is handled as CVE-2021-47135. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.12.9 and classified as problematic. This vulnerability affects the function mt7921_mcu_tx_rate_report of the component mt7921. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible AOOB issue in mt7921_mcu_tx_rate_report Fix possible array out of bound access in mt7921_mcu_tx_rate_report. Remove unnecessary varibable in mt7921_mcu_tx_rate_report

The advisory is available at git.kernel.org. This vulnerability was named CVE-2021-47135 since 03/04/2024. Technical details are known, but there is no available exploit.

Upgrading to version 5.12.10 or 5.13 eliminates this vulnerability. Applying the patch 6919e8a24e70/d874e6c06952 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.12.10/5.13
Patch: 6919e8a24e70/d874e6c06952

Timelineinfo

03/04/2024 🔍
03/15/2024 +11 days 🔍
03/15/2024 +0 days 🔍
02/27/2025 +349 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2021-47135 (🔍)
GCVE (CVE): GCVE-0-2021-47135
GCVE (VulDB): GCVE-100-257026

Entryinfo

Created: 03/15/2024 22:52
Updated: 02/27/2025 05:29
Changes: 03/15/2024 22:52 (44), 02/27/2025 05:29 (27)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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