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Is kernel.org a Scam? Security Check Results - Linux Kernel Organization

kernel.org Security Report Summary

kernel.org received a security score of 67 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Linux Kernel Organization's website security posture. Linux Kernel Organization operates in the Technology industry in N/a.

The Linux Kernel Archives website serves as the authoritative source for Linux kernel source code, releases, and related development resources. Operated by the Linux Kernel Organization, a 501(c)3 nonprofit, it targets developers, contributors, and technology professionals involved in Linux kernel development. The site provides comprehensive access to kernel releases, git repositories, documentation, and community resources, positioning itself as a critical infrastructure for the open source Linux ecosystem. Technically, the website employs a straightforward, standards-compliant HTML5 and CSS design with minimal JavaScript, ensuring fast load times and good performance. The infrastructure leverages reputable sponsors and partners such as Akamai, Fastly, and Constellix for hosting and DNS services. While mobile optimization and accessibility are basic, the site maintains good SEO practices and clear navigation. From a security perspective, the site benefits from HTTPS encryption and PGP-signed downloads, enhancing trust and integrity of distributed software. However, it lacks DNSSEC, security headers, and published security or privacy policies, which are areas for improvement. No forms or tracking scripts are present, minimizing data exposure risks. The domain WHOIS data is consistent and trustworthy, reflecting a mature and legitimate online presence. Overall, the Linux Kernel Archives website demonstrates a strong business credibility and technical foundation with room to enhance privacy compliance and security posture. Strategic improvements in policy transparency and security controls would further solidify its trusted position in the open source community.

The security scan identified 27 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: HTML5, CSS, JavaScript, Atom feeds, Git.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is kernel.org Safe? Security Analysis for Linux Kernel Organization

https://kernel.org

Check if kernel.org is a scam or legitimate. Free security scan and reviews.

TechnologyN/amedium
HTML5CSSJavaScriptAtom feedsGit
Analyzed 10/8/2025Completed 5:11:33 PM6mo ago
67
Security Score
MEDIUM RISK

Below Technology avg (72)

10,000+

Domains scanned

500+

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AI Summary

The Linux Kernel Archives website serves as the authoritative source for Linux kernel source code, releases, and related development resources. Operated by the Linux Kernel Organization, a 501(c)3 nonprofit, it targets developers, contributors, and technology professionals involved in Linux kernel development. The site provides comprehensive access to kernel releases, git repositories, documentation, and community resources, positioning itself as a critical infrastructure for the open source Linux ecosystem. Technically, the website employs a straightforward, standards-compliant HTML5 and CSS design with minimal JavaScript, ensuring fast load times and good performance. The infrastructure leverages reputable sponsors and partners such as Akamai, Fastly, and Constellix for hosting and DNS services. While mobile optimization and accessibility are basic, the site maintains good SEO practices and clear navigation. From a security perspective, the site benefits from HTTPS encryption and PGP-signed downloads, enhancing trust and integrity of distributed software. However, it lacks DNSSEC, security headers, and published security or privacy policies, which are areas for improvement. No forms or tracking scripts are present, minimizing data exposure risks. The domain WHOIS data is consistent and trustworthy, reflecting a mature and legitimate online presence. Overall, the Linux Kernel Archives website demonstrates a strong business credibility and technical foundation with room to enhance privacy compliance and security posture. Strategic improvements in policy transparency and security controls would further solidify its trusted position in the open source community.

Detected Technologies

HTML5CSSJavaScriptAtom feedsGit

9 urgent findings need attention

9 high

  • + 1 more findings in the full report below
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Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

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Security Headers

5 findings

65/100

GDPR Compliance

3 findings

50/100

NIS2 Compliance

9 findings

2/100

Email Security

3 findings

85/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

The Linux Kernel Organization operates as a nonprofit entity focused on distributing and maintaining the Linux kernel source code. Its market position is unique and essential, serving as the primary hub for Linux kernel releases and development resources. The business model centers on open source software stewardship supported by sponsorships from major technology companies. Revenue streams likely include sponsorship and donations rather than commercial sales. The target customer segments include kernel developers, open source contributors, IT professionals, and technology enthusiasts globally. The partnership ecosystem is strong, involving industry leaders such as Google, Red Hat, and the Linux Foundation, which enhances credibility and resource availability. Growth indicators include continuous kernel release updates and active community engagement. The organization's operations emphasize transparency and community collaboration, though formalized privacy and security policies are currently lacking.

Security Posture Analysis

Comprehensive Security Assessment

The website exhibits a moderate security maturity level with HTTPS enforced and PGP signatures for software integrity, which are critical for trust in software distribution. The absence of DNSSEC and security headers represents a gap in defense-in-depth strategies. No incident response or vulnerability disclosure policies are published, which could hinder timely security communications. The lack of privacy and cookie policies indicates incomplete compliance with modern data protection regulations such as GDPR. No tracking or analytics scripts reduce privacy risks but also limit user behavior insights. Overall, the security posture is functional but would benefit from formalized policies, enhanced DNS security, and implementation of standard security headers to mitigate common web threats.

Strategic Recommendations

Priority Actions for Security Improvement

1

Enable DNSSEC on the domain to protect against DNS spoofing and improve overall DNS security.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Linux Kernel Organization

Description:

The Linux Kernel Archives is the official site for the Linux kernel source, providing downloads, git trees, documentation, and related resources for Linux kernel development and releases.

Key Services:
Linux kernel source code distributionGit repository hostingRelease announcements and changelogsDocumentation and mailing listsBug tracking and patch management
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
HTML5CSSJavaScriptAtom feedsGit
Performance:

fast

Mobile:

basic

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
75/100
Best Practices:
  • HTTPS enabled
  • PGP signatures for kernel downloads
  • Domain status clientTransferProhibited

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:poor

Advertising & Marketing

Transparency Level:poor

Website Quality Assessment

Design Quality:good
User Experience:good
Content Relevance:excellent
Navigation Clarity:good
Professionalism:good
Trustworthiness:high

Key Observations

1

Website is fully accessible with no blocking or WAF challenges.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

65/100
Score

Weak Strict-Transport-Security configuration

LOW

Current value: "max-age=15768001"

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Weak Referrer-Policy configuration

LOW

Current value: "same-origin"

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

50/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

GDPR Compliance Analysis

Privacy Policy0% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: transport

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

85/100
Score

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:_spf.kernel.org ~all
DNS Lookups:1/10
Policy:~all
DKIM Selectors Found
Selector:default(1296-bit rsa)
DMARC Details
Policy:quarantine
Aggregate Reports:dmarc@kernel.org

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 80 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:dfw.source.kernel.org
Issuer:E8
Valid Until:12/28/2025 (80 days)
SANs:android.kernel.org, dfw.source.kernel.org, git.kernel.org +6 more

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

80/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

Domain Registration Details

Domain Age
28 years(mature)
Expiry Risk
none(311 days)
Protection Level
basicDNSSEC OFF

DNS Records

A Records:139.178.84.217
AAAA Records:2604:1380:4641:c500::1
Name Servers:
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
MX Records:
10: smtp1.kernel.org
10: smtp2.kernel.org
10: smtp3.kernel.org
SOA:Serial: 2015013690, TTL: 180s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:44ms

SPF Analysis

SPF Record:
v=spf1 include:_spf.kernel.org ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does kernel.org compare?

See how kernel.org stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website uses a clean and simple HTML5 and CSS-based design with minimal JavaScript, contributing to fast load times and good performance. It leverages Atom feeds for content syndication and Git repositories for source code management. Hosting and DNS services are provided by reputable partners including Akamai, Fastly, and Constellix, ensuring reliable infrastructure. The site lacks a CMS, indicating a static or custom-built platform focused on content delivery. SEO is well addressed with proper meta tags and structured navigation. Accessibility and mobile responsiveness are basic but functional. There is no evidence of modern JavaScript frameworks or analytics tools, which reduces complexity but limits advanced features and user tracking. Overall, the technical implementation is solid with opportunities for modernization and enhanced user experience.
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Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainkernel.org
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

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