#VU58671 Information disclosure in macOS - CVE-2021-30931

Vulnerability identifier: #VU58671

Vulnerability risk: Low

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

CVE-ID: CVE-2021-30931

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local user to read kernel memory.

The vulnerability exists due to a logic error in the Bluetooth subsystem. A local user can read parts of kernel memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 12.0 21A344

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External links
https://support.apple.com/en-us/HT212869

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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.