CVE-2023-20937

HIGH

Android - Use-After-Free in Speculative Page Faults MM Code

Title source: llm

Description

In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257443051References: Upstream kernel

References (2)

Core 2

Core References

Exploit

http://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html

Patch, Vendor Advisory

https://source.android.com/security/bulletin/2023-02-01

Scores

CVSS v3 7.8

EPSS 0.0022

EPSS Percentile 12.1%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-416

Status published

Products (1)

google/android

Published Feb 28, 2023

Tracked Since Feb 18, 2026