What’s Vulnerable › Vulnerabilities

CVE-2023-0397: DoS: Invalid Initialization in le_read_buffer_size_complete

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-01-19 · updated 2026-06-17
• Weakness: CWE-703

Description

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

Affected products

• zephyrproject zephyr: through 3.2.0

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj

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