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TI-2025-08026 Aliases CVE-2025-8774GHSA-9j52-q8c5-8mpr

riscv-boom SonicBOOM L1 Data Cache timing discrepancy

Priority MEDIUM 44CWE-203Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-203.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00181 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
riscv-boomSonicBOOM2.2.0; 2.2.1; 2.2.2; 2.2.3—No fix listedCNA
  • SonicBOOM Vendorriscv-boom Affected 2.2.0; 2.2.1; 2.2.2; 2.2.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:boom-core:risvc-boom:*:*:*:*:*:*:*:*up to 2.2.3VulnerableBoom-core
  • cpe:2.3:a:boom-core:risvc-boom:*:*:*:*:*:*:*:* Versions up to 2.2.3 Vulnerable ·Boom-core

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8774
  2. 2026-10-03 Alias added: GHSA-9j52-q8c5-8mpr

References

Other 1

  • TI-2020-17750 An issue was discovered in SonicBOOM riscv-boom 3.0.0. CVSS 3.1MEDIUM 5.5
  • TI-2022-09682 BOOM: The Berkeley Out-of-Order RISC-V Processor commit d77c2c3 was discovered to allow… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences