Rtos

2 posts tagged with “Rtos”

CVE-2026-11811: Zephyr UpdateHub Socket Leak Exhausts Device Networking on Connection Failure
cvesecurityvulnerability

CVE-2026-11811: Zephyr UpdateHub Socket Leak Exhausts Device Networking on Connection Failure

Socket file descriptor leak in Zephyr RTOS UpdateHub OTA client start_coap_client() causes resource-exhaustion denial of service when connection setup fails. Fixed in Zephyr 4.4.2.

Aug 11, 2026
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CVE-2026-11812: Zephyr RTOS UpdateHub Race Condition Corrupts Firmware Update State
cvesecurityvulnerability

CVE-2026-11812: Zephyr RTOS UpdateHub Race Condition Corrupts Firmware Update State

Race condition in Zephyr RTOS UpdateHub shared context causes out-of-bounds write and denial of service of the firmware update path. Fixed with mutex serialization and bounds check.

Aug 11, 2026
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