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PatchSiren cyber security CVE debrief

CVE-2022-0492 Linux CVE debrief

The Linux Kernel Improper Authentication Vulnerability is a high-severity issue, with a CVSS score of 7.8, affecting Linux Kernel deployments. This vulnerability requires immediate attention from Linux administrators and security teams to assess exposure and apply necessary mitigations. The vulnerability's impact includes potential authentication bypass and exploitation, emphasizing the need for prompt patching and verification. Linux administrators should verify Linux Kernel versions and patch status, assess system exposure to potential authentication bypass, and monitor for exploitation attempts and anomalies.

Vendor
Linux
Product
Kernel
CVSS
HIGH 7.8
CISA KEV
Listed
Original CVE published
2026-06-02
Original CVE updated
2026-06-02
Advisory published
2026-06-02
Advisory updated
2026-06-02

Who should care

Linux administrators and security teams should assess exposure and apply mitigations according to vendor instructions. Linux Kernel deployments require immediate attention due to the high-severity nature of this vulnerability. Operators, platform administrators, and security teams need to verify Linux Kernel versions and patch status, assess system exposure to potential authentication bypass, and monitor for signs of

Why it matters

Linux Kernel Improper Authentication Vulnerability requires high priority patching and verification to prevent potential authentication bypass and exploitation.

  • Verify Linux Kernel versions and patch status
  • Assess system exposure to potential authentication bypass
  • Monitor for exploitation attempts and anomalies

Technical summary

The Linux Kernel Improper Authentication Vulnerability, with a CVSS score of 7.8 and HIGH severity, requires patching and verification. This vulnerability affects Linux Kernel deployments and has the potential for authentication bypass and exploitation. Linux administrators and security teams should assess exposure and apply mitigations according to vendor instructions. Evidence from CISA Known Exploited Vulnerabilities catalog and CVE Program record indicates the need for high-priority patching and verification.

Defensive priority

High priority for Linux Kernel patching and verification

Recommended defensive actions

  • Apply patches from Linux vendor
  • Verify system exposure and required mitigations
  • Monitor for exploitation attempts

Evidence notes

Evidence from CISA Known Exploited Vulnerabilities catalog and CVE Program record indicates Linux Kernel Improper Authentication Vulnerability, with CISA noting required action to apply mitigations per vendor instructions.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-0492 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-0492

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-0492 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-0492

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.