CVE-2026-80999: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: dsa: realtek: use gpiodsetvaluecansleep for reset GPIO rtl83xxresetassert and rtl83xxresetdeassert are only called from the probe path, which may sleep and is not timing-critical. When the reset GPIO is provided by a sleepin...

PT-2026-96422

In the Linux kernel, the following vulnerability has been resolved: net: dsa: realtek: use gpiod set value cansleep for reset GPIO rtl83xx reset assert and rtl83xx reset deassert are only called from the probe path, which may sleep and is not timing-critical. When the reset GPIO is provided by a...

PT-2026-90129

Name of the Vulnerable Software and Affected Versions Linux kernel versions 4.19 through 6.9 Description An issue exists in the Realtek DSA driver where the gpiod set value function is used for reset GPIO operations. When the reset GPIO is managed by a sleeping controller, such as an I2C I/O...

Realtek Edimax 52fc10d19 Heap Buffer Overflow

The Realtek in-band ioctl bridge contains a heap buffer overflow when processing peer-supplied ioctl response data. The Realtek in-band ioctl bridge contains a heap-buffer overflow when processing peer-supplied ioctl response data. inbandioctl receives a response through the Realtek in-band...

The vulnerability of the rtl8xxxu_probe() function in the drivers/net/wireless/realtek/rtl8xxxu/core.c driver for Realtek wireless adapter drivers in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the rtl8xxxuprobe function in the drivers/net/wireless/realtek/rtl8xxxu/core.c file of the Realtek wireless adapter driver for the Linux operating system is related to the occurrence of operations outside the buffer in memory. Exploiting this vulnerability could allow a remot...

Bluetooth: btusb: validate Realtek vendor event length

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CVE-2026-11894

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

CVE-2026-11894 Double-free / use-after-free in Realtek BEE Bluetooth HCI driver `send()` error paths

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

CVE-2026-11894 Double-free / use-after-free in Realtek BEE Bluetooth HCI driver `send()` error paths

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

CVE-2026-11894

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

CVE-2026-11894

The CVE-2026-11894 entry concerns Realtek’s BEE Bluetooth HCI driver (bt_hci_bee_send in drivers/bluetooth/hci/hci_bee.c). The vulnerability arises from violating the bt_hci_driver_api buffer-ownership contract: on error, the host should retain and unref the transmit net_buf, but the pre-fix code...

CVE-2026-11894 Double-free / use-after-free in Realtek BEE Bluetooth HCI driver `send()` error paths

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

EUVD-2026-55937

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

CVE-2026-11894: Double Free

The Realtek BEE Bluetooth HCI driver's send callback, bthcibeesend in drivers/bluetooth/hci/hcibee.c, violated the bthcidriverapi buffer-ownership contract. That contract requires the driver to consume unref the transmit netbuf only on success; on an error return the host caller retains ownership...

PT-2026-70060

Name of the Vulnerable Software and Affected Versions Realtek BEE Bluetooth HCI driver affected versions not specified Description The bt hci bee send function in drivers/bluetooth/hci/hci bee.c violates the buffer-ownership contract of the bt hci driver api. The driver incorrectly releases the...

CVE-2026-68339

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: validate Realtek vendor event length btusbrecveventrealtek reads the event code at data0 and the Realtek subevent code at data2 before deciding whether to consume a vendor event as a coredump. For example, the...

CVE-2026-68339

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: validate Realtek vendor event length btusbrecveventrealtek reads the event code at data0 and the Realtek subevent code at data2 before deciding whether to consume a vendor event as a coredump. For example, the...

EUVD-2026-55440

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: validate Realtek vendor event length btusbrecveventrealtek reads the event code at data0 and the Realtek subevent code at data2 before deciding whether to consume a vendor event as a coredump. For example, the...

CVE-2026-68339 Bluetooth: btusb: validate Realtek vendor event length

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: validate Realtek vendor event length btusbrecveventrealtek reads the event code at data0 and the Realtek subevent code at data2 before deciding whether to consume a vendor event as a coredump. For example, the...

CVE-2026-68339

The Linux kernel Bluetooth btusb vulnerability CVE-2026-68339 stems from btusb_recv_event_realtek() inspecting data[0] and data[2] before verifying the HCI event header and first parameter. This can cause misclassification of a vendor event as a coredump (e.g., a 2-byte event ff 00 with adjacent ...