Vulnerability DatabaseCVE-2026-67846
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CVE-2026-67846
Published:August 18, 2026
Updated:August 31, 2026
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
Related Resources (5)
https://nvd.nist.gov/vuln/detail/CVE-2026-67846
https://github.com/riscv-boom/riscv-boom
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67846.json
https://github.com/duan528/CVE-2026-67846-BOOM-NBDTLB
https://github.com/riscv-boom/riscv-boom/commit/5223e44cfeb26f41380057a2eb4d651197475f69
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incorrect Privilege Assignment
CWE-266
EPSS
Base Score:
0.17