Assuming EL1 is compromised, an improper address validation in RKP prior to SMR JUN-2021 Release 1 allows local attackers to create executable kernel page outside code area.
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6
Source: Mitre, NVD
Published: 2021-06-11
Updated: 2026-06-17
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Severity: Medium
EPSS: 0.00042