#VU73024 Improper Release of Memory Before Removing Last Reference ('Memory Leak') in MediaTek products - CVE-2022-20046

Vulnerability identifier: #VU73024

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20046

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT8167
Mobile applications / Mobile firmware & hardware
MT8175
Mobile applications / Mobile firmware & hardware
MT8183
Mobile applications / Mobile firmware & hardware
MT8362A
Mobile applications / Mobile firmware & hardware
MT8365
Mobile applications / Mobile firmware & hardware
MT8385
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a logic error within Bluetooth. A local application can perform service disruption.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT8167: All versions

MT8175: All versions

MT8183: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

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

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.