CVE-2022-20046 : In Bluetooth, there is a possible memory corruption due to a logic error. This c

In Bluetooth, there is a possible memory corruption due to a logic error. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06142410; Issue ID: ALPS06142410.

Published 2022-02-09 23:15:18

Updated 2022-02-14 20:19:55

Source MediaTek, Inc.

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2022-20046

Google » Android » Version: 8.1
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt8167 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
Google » Android » Version: 9.0
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt8167 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
Google » Android » Version: 10.0
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt8167 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
Google » Android » Version: 11.0
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt8167 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
Google » Android » Version: 12.0
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt8167 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-20046

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-20046

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-20046

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-20046

https://corp.mediatek.com/product-security-bulletin/February-2022

February 2022
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2022-20046

Products affected by CVE-2022-20046

Exploit prediction scoring system (EPSS) score for CVE-2022-20046

CVSS scores for CVE-2022-20046

CWE ids for CVE-2022-20046

References for CVE-2022-20046