MEDIUM CVSS 5.6
Published: 2021-01-26

CVE-2021-1071

nvidia linux_for_tegra Security Advisory (CVE-2021-1071)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-1071 impacting nvidia linux_for_tegra. Evaluated with CVSS Base Score of 5.6 (MEDIUM).

Original NVD Description

Source: NIST NVD
NVIDIA Tegra kernel in Jetson AGX Xavier Series, Jetson Xavier NX, TX1, TX2, Nano and Nano 2GB, all L4T versions prior to r32.5, contains a vulnerability in the INA3221 driver in which improper access control may lead to unauthorized users gaining access to system power usage data, which may lead to information disclosure.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
High (C:H)
Total information disclosure
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product nvidia / linux_for_tegra
Affected Versions *
Weakness Enumeration NVD-CWE-Other

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2021-1071 impacting nvidia linux_for_tegra.

⚡ Nuclei Detection Template (YAML) cve-2021-1071.yaml
id: cve-2021-1071

info:
  name: nvidia linux_for_tegra - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2021-1071 affecting nvidia linux_for_tegra.
    Evaluation: NVIDIA Tegra kernel in Jetson AGX Xavier Series, Jetson Xavier NX, TX1, TX2, Nano and Nano 2GB, all L4T versions prior to r32.5, contains a vulnerabil...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-1071
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
    cvss-score: 5.6
    cve-id: CVE-2021-1071
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2021-1071,nvidia,linux_for_tegra,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "linux_for_tegra"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-1071.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-1071
# Target: nvidia linux_for_tegra | CVSS: 5.6 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2021-1071 (nvidia linux_for_tegra)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against nvidia linux_for_tegra scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2021-1071.sh
# Recommended Remediation & Patching Commands for CVE-2021-1071
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install linux_for_tegra 2>/dev/null || \
sudo dnf upgrade linux_for_tegra 2>/dev/null || \
sudo yum update linux_for_tegra

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i linux_for_tegra 2>/dev/null || rpm -qa | grep -i linux_for_tegra

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2021-1071 in nvidia linux_for_tegra?

Review vendor-specific security notices and update nvidia linux_for_tegra packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2021-1071?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2021-1071?

CVE-2021-1071 is classified with a CVSS 3.1 Base Score of 5.6 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.6
MEDIUM SEVERITY
CVE ID CVE-2021-1071
Weakness NVD-CWE-Other
Vendor nvidia
Product linux_for_tegra
Published 2021-01-26
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N