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CVE-2025-8774— riscv-boom SonicBOOM L1 Data Cache timing discrepancy

Quick assessment

Affected
riscv-boom SonicBOOM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

riscv-boom SonicBOOM是BOOM: The Berkeley Out-of-Order RISC-V Processor开源的一个SonicBOOM：伯克利混乱机器。 riscv-boom SonicBOOM 2.2.3及之前版本存在安全漏洞，该漏洞源于组件L1 Data Cache Handler存在可观察的时间差异问题。

CVSS 2.5 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 2 AI

T1006 · Direct Volume Access T1006.001
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I. Basic Information for CVE-2025-8774

Vulnerability Information
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Vulnerability Title
riscv-boom SonicBOOM L1 Data Cache timing discrepancy
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
riscv-boom SonicBOOM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
riscv-boom SonicBOOM是BOOM: The Berkeley Out-of-Order RISC-V Processor开源的一个SonicBOOM：伯克利混乱机器。 riscv-boom SonicBOOM 2.2.3及之前版本存在安全漏洞，该漏洞源于组件L1 Data Cache Handler存在可观察的时间差异问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
riscv-boom SonicBOOM 2.2.0 -

II. Public POCs for CVE-2025-8774

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III. Intelligence Information for CVE-2025-8774

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Proof of Concept for CVE-2025-8774 (1)

IV. Related Vulnerabilities

Same weakness: CWE-208

V. Comments for CVE-2025-8774

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