What’s Vulnerable › Vulnerabilities

CVE-2023-6249: ipm: signed to unsigned conversion problem in esp32_ipm_send

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-02-18 · updated 2026-06-17
• Weakness: CWE-704

Description

Signed to unsigned conversion esp32_ipm_send

Affected products

• zephyrproject zephyr: before 3.5.0; 3.5.0, 3.5.0-rc1, 3.5.0-rc2, 3.5.0-rc3 — fixed in 3.5.0

How to fix

Upgrade to a fixed version: zephyrproject zephyr 3.5.0. Check the vendor advisory for mitigations.

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-32f5-3p9h-2rqc
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-32f5-3p9h-2rqc

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