Arbitrary file upload in Boom-Core Boomv
CVE-2025-50897
A vulnerability exists in riscv-boom SonicBOOM 1.2 (BOOMv1.2) processor implementation, where valid virtual-to-physical address translations configured with write permissions (PTE_W) in SV39 mode may incorrectly trigger a Store/AMO access fault during store instructions (sd). This occurs despite the presence of proper page table entries and valid memory access modes. The fault is reproducible when transitioning into virtual memory and attempting store operations in mapped kernel memory, indicating a potential flaw in the MMU, PMP, or memory access enforcement logic. This may cause unexpected kernel panics or denial of service in systems using BOOMv1.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Boom-Core Boomv — versions 1.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/riscv-boom/riscv-boom (Product)
- github.com/riscv-software-src/riscv-isa-sim (Product)
- github.com/LuLuji04/POC-Boomv1.2 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-50897?
- CVE-2025-50897 is a medium-severity vulnerability in Boom-Core Boomv, classified under Improper Access Control. CVSS score: 4.3/10. Published 2025-08-19.
- How severe is CVE-2025-50897?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-50897 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.