An integer underflow vulnerability is present in Silicon Lab’s implementation of PSA Crypto and SE Manager EC-JPAKE APIs during ZKP parsing. Triggering the underflow can lead to a hard fault, causing a temporary denial of service.
Exploitability
AV:NAC:LAT:PPR:LUI:NVulnerable System
VC:NVI:NVA:LSubsequent System
SC:NSI:NSA:N2.3/CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NOther