EIP-2026-100031

PRE-CVE

Google Android - Unprotected MSRs in EL1 RKP Privilege Escalation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100031. PoCs published by Google Security Research.

AI-analyzed exploit summary The writeup details a vulnerability in Samsung RKP (Real-time Kernel Protection) where unvalidated MSRs to TCR_EL1 and SCTLR_EL1 registers allow an attacker to bypass memory protections. The issue arises from RKP's failure to validate these registers, enabling manipulation of translation granules or disabling the MMU.

Description

Google Android - Unprotected MSRs in EL1 RKP Privilege Escalation

Exploits (1)

exploitdb WRITEUP VERIFIED
by Google Security Research · textdosandroid
https://www.exploit-db.com/exploits/41212

The writeup details a vulnerability in Samsung RKP (Real-time Kernel Protection) where unvalidated MSRs to TCR_EL1 and SCTLR_EL1 registers allow an attacker to bypass memory protections. The issue arises from RKP's failure to validate these registers, enabling manipulation of translation granules or disabling the MMU.

Classification
Writeup 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Theoretical
Target: Samsung RKP (version RKP4.2_CL7572479)
No auth needed
Prerequisites: Access to EL1 execution context · Knowledge of RKP internals
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026