CVE-2023-21102

HIGH

Android Kernel - Local Privilege Escalation via Shadow Stack Protection Bypass

Title source: llm
STIX 2.1

Description

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. 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-260821414References: Upstream kernel

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0019
EPSS Percentile 8.9%
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-754
Status published
Products (1)
google/android
Published May 15, 2023
Tracked Since Feb 18, 2026