CVE-2022-26757

high

Description

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.

References

https://support.apple.com/en-us/HT213256

https://support.apple.com/en-us/HT213257

https://support.apple.com/en-us/HT213254

https://support.apple.com/en-us/HT213255

https://support.apple.com/en-us/HT213253

https://support.apple.com/en-us/HT213258

http://packetstormsecurity.com/files/167517/XNU-Flow-Divert-Race-Condition-Use-After-Free.html

Details

Source: MITRE

Published: 2022-05-26

Updated: 2022-06-20

Type: CWE-416

Risk Information

CVSS v2

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH