System call entry on Cortex M (and possibly R and A, but I think not) has a race which allows very practical privilege escalation for malicious userspace processes.
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
LPE
CWE