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EPSS 0.1%top 98%

Improper input validation in DualDAR driver prior to SMR Sep-2026 Release 1 allows local privileged attackers to potentially execute arbitrary code… (CVE-2026-21101)

0
High
Published: 09/09/2026 (09/09/2026, 06:31:38 UTC)
Source: GCVE Database

Description

An improper input validation vulnerability exists in the DualDAR driver prior to SMR Sep-2026 Release 1. This flaw allows local attackers with privileged access to potentially execute arbitrary code with root privileges. The vulnerability is classified as high severity. No patch or remediation details are currently provided, and no known exploits are reported in the wild.

CVSS v4.0

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
Scope
X
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/09/2026, 13:57:56 UTC

Technical Analysis

CVE-2026-21101 describes an improper input validation vulnerability in the DualDAR driver affecting versions prior to SMR Sep-2026 Release 1. This vulnerability enables local attackers who already have privileged access to execute arbitrary code with root privileges. The vulnerability has a high severity rating based on CVSS 4.0 metrics, but no official patch or remediation guidance is currently available. The vulnerability is not related to cloud services and no known active exploitation has been reported.

Potential Impact

Successful exploitation allows local privileged attackers to execute arbitrary code with root privileges, potentially leading to full system compromise. Since the attacker must already have privileged access, the impact is limited to privilege escalation and code execution on the affected system.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local privileged access to trusted users only and monitor for suspicious activity related to the DualDAR driver.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-jv9f-wr82-5qf2
Osv Schema Version
1.4.0
Aliases
["CVE-2026-21101"]
Ecosystems
[]
Database Specific Severity
HIGH
Cvss Version
4.0

Threat ID: 6aa15f7cacd9273b49618392

Added to database: 09/09/2026, 13:30:36 UTC

Last enriched: 09/09/2026, 13:57:56 UTC

Last updated: 09/10/2026, 01:51:59 UTC

Views: 3

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