Addressing CVE-2025-22847: Out-of-bounds Read Vulnerability in OpenHarmony

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Understanding CVE-2025-22847: An Out-of-bounds Read Vulnerability

OpenHarmony, an open-source operating system framework, has been found to contain a vulnerability identified as CVE-2025-22847. This vulnerability, present in versions up to v5.0.2, allows local attackers to perform a denial of service (DoS) through an out-of-bounds read. The specific issue relates to the Arkcompiler Ets Runtime component of OpenHarmony. This article delves into the details of this vulnerability and offers guidance on mitigating its impact.

Impact and Severity

The Common Vulnerability Scoring System (CVSS) assigns this vulnerability a low base severity score of 3.3. This score reflects several factors:

  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low

The primary concern focuses on the availability impact, where attackers could exploit the vulnerability to disrupt service by performing unauthorized read operations beyond intended memory boundaries.

Mitigation Strategies

Addressing CVE-2025-22847 requires proactive countermeasures. Below are strategies to mitigate the impact:

  1. Update to the Latest Version: Ensure all OpenHarmony installations are updated to the latest patched version beyond v5.0.2 to eliminate this vulnerability.
  2. Implement Access Controls: Restrict local access rights and privileges to minimize the potential for an attacker to exploit the vulnerability.
  3. Monitor Systems Activity: Regularly review system logs and monitor for unusual activity that might signify exploitation attempts.
  4. Code Review and Static Analysis: Conduct thorough code reviews and employ static analysis tools to identify potential vulnerabilities and rectify them early in the development cycle.

Conclusion

CVE-2025-22847 emphasizes the significance of maintaining updated systems and implementing robust security measures. By understanding the privilege level and attack vectors involved, organizations can effectively mitigate the risks associated with this vulnerability in OpenHarmony systems. Staying informed and prepared is key to safeguarding your assets against emerging threats.

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