The T-Head XuanTie C910 CPU in the TH1520 SoC and the T-Head XuanTie C920 CPU in the SOPHON SG2042 have instructions that allow unprivileged attackers to write to arbitrary physical memory locations, aka GhostWrite.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hπ΅
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
References