CVE-2023-2234: medium-severity vulnerability in zephyrproject-rtos Zephyr
BT HCI host union variant confusion
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.8epss 0.5%
Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
zephyrproject-rtos · ZephyrRelated CVEs — zephyrproject-rtos Zephyr
In the same product, most dangerous first.
CVE-2023-3725HIGHPotential buffer overflow vulnerability in the Zephyr CANbus subsystemEPSS 1.3%CVE-2023-4264HIGHPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 1.1%CVE-2023-4257HIGHUnchecked user input length in the Zephyr WiFi shell moduleEPSS 1.1%CVE-2023-5753MEDIUMPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 1.0%CVE-2023-0359MEDIUMipv6: Missing ipv6 nullptr-check in handle_ra_inputEPSS 0.9%CVE-2023-4260MEDIUMPotential off-by-one buffer overflow vulnerability in the Zephyr FS subsystemEPSS 0.9%