CVE-2021-30938

HIGH

macOS < 10.15.7 and 11.0-11.6.2 - Local Denial of Service and Kernel Memory Read

Title source: llm
STIX 2.1

Description

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A local user may be able to cause unexpected system termination or read kernel memory.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212978
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212979
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212981

Scores

CVSS v3 7.7
EPSS 0.0033
EPSS Percentile 24.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

Status published
Products (3)
apple/mac_os_x 10.15.7 (11 CPE variants)
apple/mac_os_x 10.15 - 10.15.7
apple/macos 11.0 - 11.6.2
Published Aug 24, 2021
Tracked Since Feb 18, 2026