CVE-2026-67846

State: Published
Severity: 7.8 High
Published: Aug 18, 2026
Updated: Aug 21, 2026
Reserved: Jul 30, 2026

Description

Berkeley Out-of-Order Machine (BOOM) commit 5223e44cfeb26f41380057a2eb4d651197475f69 contains a potential incorrect privilege assignment issue in the v3 and v4 NBDTLB implementations. The raw mstatus.SUM value participates in the read and write permission logic without an explicit local satp.MODE validity check at the use site

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/riscv-boom/riscv-boom
https://github.com/riscv-boom/riscv-boom/commit/5223e44cfeb26f41380057a2eb4d651197475f69
https://github.com/duan528/CVE-2026-67846-BOOM-NBDTLB

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