CVE-2025-8774 riscv-boom SonicBOOM L1 Data Cache timing discrepancy
Local attackers can exploit timing discrepancies in the L1 Data Cache to potentially leak sensitive information from the SonicBOOM RISC-V processor.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8774?
CVE-2025-8774 is a low-severity vulnerability in riscv-boom SonicBOOM, published on 9 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2025-8774?
It affects 1 product.
Products include Boom-Core Risvc-Boom.
How do I fix CVE-2025-8774?
No fix has been published for CVE-2025-8774 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-8774 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8774 exists.
Other vulnerabilities in riscv-boom SonicBOOM
Sources
Also known as GHSA-9j52-q8c5-8mpr.