What’s Vulnerable › Vulnerabilities

CVE-2022-2993: bt: host: Wrong key validation check

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-09 · updated 2026-06-17
• Weakness: CWE-670

Description

There is an error in the condition of the last if-statement in the function smp_check_keys. It was rejecting current keys if all requirements were unmet.

Affected products

• zephyrproject zephyr: through 3.1.0

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3286-jgjx-8cvr
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3286-jgjx-8cvr

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