CVE-2025-2962 Details
Description
A denial-of-service issue in the dns implemenation could cause an infinite loop.
A denial-of-service vulnerability has been identified in the Zephyr project DNS implementation, in versions through 4.1. This issue can cause an infinite loop by manipulating the 'pos' variable in the 'dns_copy_qname' function, creating a scenario where the same position is revisited repeatedly. This vulnerability arises from improper handling of DNS label compression, allowing malicious packets to exploit the logic and disrupt normal processing.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 24, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2qp5-c2vq-g2ww | [email protected] | ExploitPatchThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-835 | Loop with Unreachable Exit Condition ('Infinite Loop') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| zephyrproject zephyr | <= 4.1.0 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Oct 30, 2025 | Initial Analysis | [email protected] |
| Jun 24, 2025 | New CVE Received | [email protected] |