CVE Vulnerabilities

CVE-2022-26757

Use After Free

Published: May 26, 2022 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, Security Update 2022-004 Catalina, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4. An application may be able to execute arbitrary code with kernel privileges.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

Name Vendor Start Version End Version
Ipados Apple * 15.5 (excluding)
Iphone_os Apple * 15.5 (excluding)
Mac_os_x Apple * 10.15.7 (excluding)
Mac_os_x Apple 10.15.7 (including) 10.15.7 (including)
Mac_os_x Apple 10.15.7-security_update_2020-001 (including) 10.15.7-security_update_2020-001 (including)
Mac_os_x Apple 10.15.7-security_update_2021-001 (including) 10.15.7-security_update_2021-001 (including)
Mac_os_x Apple 10.15.7-security_update_2021-002 (including) 10.15.7-security_update_2021-002 (including)
Mac_os_x Apple 10.15.7-security_update_2021-003 (including) 10.15.7-security_update_2021-003 (including)
Mac_os_x Apple 10.15.7-security_update_2021-004 (including) 10.15.7-security_update_2021-004 (including)
Mac_os_x Apple 10.15.7-security_update_2021-005 (including) 10.15.7-security_update_2021-005 (including)
Mac_os_x Apple 10.15.7-security_update_2021-006 (including) 10.15.7-security_update_2021-006 (including)
Mac_os_x Apple 10.15.7-security_update_2021-007 (including) 10.15.7-security_update_2021-007 (including)
Mac_os_x Apple 10.15.7-security_update_2021-008 (including) 10.15.7-security_update_2021-008 (including)
Mac_os_x Apple 10.15.7-security_update_2022-001 (including) 10.15.7-security_update_2022-001 (including)
Mac_os_x Apple 10.15.7-security_update_2022-002 (including) 10.15.7-security_update_2022-002 (including)
Mac_os_x Apple 10.15.7-security_update_2022-003 (including) 10.15.7-security_update_2022-003 (including)
Macos Apple 11.0 (including) 11.6.6 (excluding)
Macos Apple 12.0 (including) 12.4 (excluding)
Tvos Apple * 15.5 (excluding)
Watchos Apple * 8.6 (excluding)

Potential Mitigations

References