Zephyr
Source repositories
CVEs (223)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-17054 | Med | 0.27 | 5.3 | — | Sep 21, 2026 | The Espressif ESP-hosted Wi-Fi driver (drivers/wifi/esp_hosted/) parses frames received over SPI from the ESP co-processor in esp_hosted_event_task(). For control frames it took the 16-bit TLV field data_length straight off the wire and passed it to… | ||
| CVE-2026-15890 | Med | 0.27 | 5.3 | — | Sep 21, 2026 | The default AEAD nonce provider for the PSA Internal Trusted Storage transform module, secure_storage_its_transform_aead_get_nonce() in subsys/secure_storage/src/its/transform/aead_get.c, stores its nonce counter in unsynchronized function-local static variables (s_nonce and… | ||
| CVE-2026-15892 | Med | 0.27 | 5.3 | 0.00 | Sep 13, 2026 | The mcumgr SMP settings-management group handlers settings_mgmt_read(), settings_mgmt_write(), and settings_mgmt_delete() in subsys/mgmt/mcumgr/grp/settings_mgmt/src/settings_mgmt.c allocate a key_name buffer (and, for read, a data buffer) via k_malloc() when… | ||
| CVE-2026-15461 | Med | 0.27 | 5.3 | 0.00 | Sep 10, 2026 | The Sierra Wireless HL78xx modem GNSS driver (drivers/modem/hl78xx/, later drivers/modem/vendor_standalone/hl78xx/) embeds a generic struct gnss_nmea0183_match_data match_data inside struct hl78xx_gnss_data. The generic NMEA0183 match helper (drivers/gnss/gnss_nmea0183_match.c)… | ||
| CVE-2026-13213 | Med | 0.27 | 5.3 | 0.00 | Aug 24, 2026 | The Hearing Access Service (HAS) GATT server in subsys/bluetooth/audio/has.c installs a connection-callback set unconditionally via BT_CONN_CB_DEFINE, so security_changed() runs for every connection that establishes security even before the application has called… | ||
| CVE-2026-12999 | Med | 0.27 | 5.3 | 0.00 | Aug 22, 2026 | The Infineon Airoc Wi-Fi driver's transmit callback airoc_mgmt_send() in drivers/wifi/infineon/airoc_wifi.c allocates a net_buf from the fixed airoc_pool for every outbound packet. When whd_network_send_ethernet_data() returns a synchronous failure, the underlying WHD library… | ||
| CVE-2026-12634 | Med | 0.27 | 5.3 | 0.00 | Aug 19, 2026 | The NVS backend of the Zephyr settings subsystem (subsys/settings/src/settings_nvs.c) reads stored setting-name entries into fixed 74-byte stack buffers and NUL-terminates them with buf[rc] = '\0', where rc is the return value of nvs_read(). Per its contract, nvs_read() returns… | ||
| CVE-2026-10647 | Med | 0.27 | 5.3 | 0.00 | Jun 29, 2026 | The USB CDC-NCM device class (subsys/usb/device_next/class/usbd_cdc_ncm.c) ignores the return value of usbd_ep_enqueue() in its ethernet transmit callback cdc_ncm_send(). When the enqueue fails, the function still calls k_sem_take(&data->sync_sem, K_FOREVER), blocking on a… | ||
| CVE-2026-1677 | Med | 0.27 | 5.3 | 0.00 | May 11, 2026 | Zephyr sockets created with `IPPROTO_TLS_1_3` can still negotiate a TLS 1.2 connection when both TLS versions are enabled in Kconfig, because the socket-level protocol selection is not propagated to mbedTLS (e.g. via `mbedtls_ssl_conf_min_tls_version`). The ClientHello… | ||
| CVE-2026-10664 | Med | 0.26 | 5.0 | 0.00 | Jul 12, 2026 | The nRF70 Wi-Fi driver's power-save event handler nrf_wifi_event_proc_get_power_save_info() in drivers/wifi/nrf_wifi/src/wifi_mgmt.c copied TWT (Target Wake Time) flow entries from an nrf_wifi_umac_event_power_save_info event into the fixed-size twt_flows[WIFI_MAX_TWT_FLOWS]… | ||
| CVE-2021-3435 | Med | 0.26 | 4.0 | 0.00 | Jun 28, 2022 | Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh | ||
| CVE-2021-3433 | Med | 0.26 | 4.0 | 0.00 | Jun 28, 2022 | Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp | ||
| CVE-2020-13602 | Med | 0.26 | 4.0 | 0.00 | May 25, 2021 | Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/adv… | ||
| CVE-2020-10065 | Low | 0.25 | 3.8 | 0.00 | May 25, 2021 | Missing Size Checks in Bluetooth HCI over SPI. Zephyr versions >= v1.14.2, >= v2.2.0 contain Improper Handling of Length Parameter Inconsistency (CWE-130). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hg2w-62p6-g67c | ||
| CVE-2026-11809 | Low | 0.24 | 3.7 | 0.00 | Aug 10, 2026 | The UpdateHub OTA client in subsys/mgmt/updatehub/updatehub.c contains an out-of-bounds / uninitialized-memory read in z_impl_updatehub_probe(). The probe response from the UpdateHub server is copied into a heap buffer (metadata) that is correctly NUL-terminated, but a second… | ||
| CVE-2026-10659 | Med | 0.24 | 4.7 | 0.00 | Jul 7, 2026 | The Dhara flash translation layer disk driver (drivers/disk/ftl_dhara.c) implemented the dhara_nand_ callbacks so that, on a flash error, the error code was written unconditionally through the caller-supplied dhara_error_t err pointer (e.g. *err = DHARA_E_ECC in dhara_nand_read,… | ||
| CVE-2026-10652 | Med | 0.24 | 4.8 | 0.00 | Jun 30, 2026 | Zephyr's DNS resolver (subsys/net/lib/dns) parses resource records from DNS responses in dns_unpack_answer(), which validated only the fixed RR header (type, class, TTL, rdlength) and accepted any attacker-declared rdlength, including one extending past the end of the received… | ||
| CVE-2026-10639 | Med | 0.24 | 4.8 | 0.00 | Jun 16, 2026 | In Zephyr's native IPv4 stack, icmpv4_handle_echo_request() in subsys/net/ip/icmpv4.c builds an echo-reply packet (reply), hands it to net_try_send_data(), and then, on success, calls net_stats_update_icmp_sent(net_pkt_iface(reply)). net_try_send_data() transfers ownership of… | ||
| CVE-2026-10634 | Med | 0.24 | 4.8 | 0.00 | Jun 15, 2026 | Zephyr's native TCP stack iterates the global connection list in net_tcp_foreach() (subsys/net/ip/tcp.c) using the SYS_SLIST_FOR_EACH_CONTAINER_SAFE macro, which caches a pointer to the next list node. Prior to this fix the function released tcp_lock while invoking the… | ||
| CVE-2026-16148 | Med | 0.23 | 4.6 | 0.00 | Sep 14, 2026 | The ITE it82xx2 USB device-controller driver initialized its bus-suspend detection work with k_work_init_delayable(&priv->suspended_work, suspended_handler) inside it82xx2_enable() (the driver's .enable op) in drivers/usb/udc/udc_it82xx2.c. This work item is scheduled… |
- risk 0.27cvss 5.3epss —
The Espressif ESP-hosted Wi-Fi driver (drivers/wifi/esp_hosted/) parses frames received over SPI from the ESP co-processor in esp_hosted_event_task(). For control frames it took the 16-bit TLV field data_length straight off the wire and passed it to…
- risk 0.27cvss 5.3epss —
The default AEAD nonce provider for the PSA Internal Trusted Storage transform module, secure_storage_its_transform_aead_get_nonce() in subsys/secure_storage/src/its/transform/aead_get.c, stores its nonce counter in unsynchronized function-local static variables (s_nonce and…
- risk 0.27cvss 5.3epss 0.00
The mcumgr SMP settings-management group handlers settings_mgmt_read(), settings_mgmt_write(), and settings_mgmt_delete() in subsys/mgmt/mcumgr/grp/settings_mgmt/src/settings_mgmt.c allocate a key_name buffer (and, for read, a data buffer) via k_malloc() when…
- risk 0.27cvss 5.3epss 0.00
The Sierra Wireless HL78xx modem GNSS driver (drivers/modem/hl78xx/, later drivers/modem/vendor_standalone/hl78xx/) embeds a generic struct gnss_nmea0183_match_data match_data inside struct hl78xx_gnss_data. The generic NMEA0183 match helper (drivers/gnss/gnss_nmea0183_match.c)…
- risk 0.27cvss 5.3epss 0.00
The Hearing Access Service (HAS) GATT server in subsys/bluetooth/audio/has.c installs a connection-callback set unconditionally via BT_CONN_CB_DEFINE, so security_changed() runs for every connection that establishes security even before the application has called…
- risk 0.27cvss 5.3epss 0.00
The Infineon Airoc Wi-Fi driver's transmit callback airoc_mgmt_send() in drivers/wifi/infineon/airoc_wifi.c allocates a net_buf from the fixed airoc_pool for every outbound packet. When whd_network_send_ethernet_data() returns a synchronous failure, the underlying WHD library…
- risk 0.27cvss 5.3epss 0.00
The NVS backend of the Zephyr settings subsystem (subsys/settings/src/settings_nvs.c) reads stored setting-name entries into fixed 74-byte stack buffers and NUL-terminates them with buf[rc] = '\0', where rc is the return value of nvs_read(). Per its contract, nvs_read() returns…
- risk 0.27cvss 5.3epss 0.00
The USB CDC-NCM device class (subsys/usb/device_next/class/usbd_cdc_ncm.c) ignores the return value of usbd_ep_enqueue() in its ethernet transmit callback cdc_ncm_send(). When the enqueue fails, the function still calls k_sem_take(&data->sync_sem, K_FOREVER), blocking on a…
- risk 0.27cvss 5.3epss 0.00
Zephyr sockets created with `IPPROTO_TLS_1_3` can still negotiate a TLS 1.2 connection when both TLS versions are enabled in Kconfig, because the socket-level protocol selection is not propagated to mbedTLS (e.g. via `mbedtls_ssl_conf_min_tls_version`). The ClientHello…
- risk 0.26cvss 5.0epss 0.00
The nRF70 Wi-Fi driver's power-save event handler nrf_wifi_event_proc_get_power_save_info() in drivers/wifi/nrf_wifi/src/wifi_mgmt.c copied TWT (Target Wake Time) flow entries from an nrf_wifi_umac_event_power_save_info event into the fixed-size twt_flows[WIFI_MAX_TWT_FLOWS]…
- risk 0.26cvss 4.0epss 0.00
Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh
- risk 0.26cvss 4.0epss 0.00
Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp
- risk 0.26cvss 4.0epss 0.00
Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/adv…
- risk 0.25cvss 3.8epss 0.00
Missing Size Checks in Bluetooth HCI over SPI. Zephyr versions >= v1.14.2, >= v2.2.0 contain Improper Handling of Length Parameter Inconsistency (CWE-130). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hg2w-62p6-g67c
- risk 0.24cvss 3.7epss 0.00
The UpdateHub OTA client in subsys/mgmt/updatehub/updatehub.c contains an out-of-bounds / uninitialized-memory read in z_impl_updatehub_probe(). The probe response from the UpdateHub server is copied into a heap buffer (metadata) that is correctly NUL-terminated, but a second…
- risk 0.24cvss 4.7epss 0.00
The Dhara flash translation layer disk driver (drivers/disk/ftl_dhara.c) implemented the dhara_nand_ callbacks so that, on a flash error, the error code was written unconditionally through the caller-supplied dhara_error_t err pointer (e.g. *err = DHARA_E_ECC in dhara_nand_read,…
- risk 0.24cvss 4.8epss 0.00
Zephyr's DNS resolver (subsys/net/lib/dns) parses resource records from DNS responses in dns_unpack_answer(), which validated only the fixed RR header (type, class, TTL, rdlength) and accepted any attacker-declared rdlength, including one extending past the end of the received…
- risk 0.24cvss 4.8epss 0.00
In Zephyr's native IPv4 stack, icmpv4_handle_echo_request() in subsys/net/ip/icmpv4.c builds an echo-reply packet (reply), hands it to net_try_send_data(), and then, on success, calls net_stats_update_icmp_sent(net_pkt_iface(reply)). net_try_send_data() transfers ownership of…
- risk 0.24cvss 4.8epss 0.00
Zephyr's native TCP stack iterates the global connection list in net_tcp_foreach() (subsys/net/ip/tcp.c) using the SYS_SLIST_FOR_EACH_CONTAINER_SAFE macro, which caches a pointer to the next list node. Prior to this fix the function released tcp_lock while invoking the…
- risk 0.23cvss 4.6epss 0.00
The ITE it82xx2 USB device-controller driver initialized its bus-suspend detection work with k_work_init_delayable(&priv->suspended_work, suspended_handler) inside it82xx2_enable() (the driver's .enable op) in drivers/usb/udc/udc_it82xx2.c. This work item is scheduled…
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