Vulnerability in Boom-Core Risvc-Boom

CVE-2025-8774

A vulnerability has been found in riscv-boom SonicBOOM up to 2.2.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component L1 Data Cache Handler. The manipulation leads to observable timing discrepancy. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitation appears to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-8774?
CVE-2025-8774 is a low-severity vulnerability in Boom-Core Risvc-Boom, classified under Observable Discrepancy. CVSS score: 2.5/10. Published 2025-08-09.
How severe is CVE-2025-8774?
Low severity. CVSS v3 base score is 2.5 out of 10.
Is CVE-2025-8774 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.