Linux Distros Unpatched Vulnerability : CVE-2026-90090

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands th...

AZL-102075 CVE-2026-90090 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

DEBIAN-CVE-2026-90090

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

CVE-2026-90090

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

EUVD-2026-81951

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

CVE-2026-90090 Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

CVE-2026-90090

This CVE affects the Linux kernel Bluetooth btmtksdio driver. In the TX path, btmtksdio_tx_packet() rounds the transfer size up to the SDIO block size of 256 bytes but passes the raw SKB buffer to sdio_writesb(). Since only skb->len bytes hold actual packet data, the host controller reads up t...

CVE-2026-90090 Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

CVE-2026-90090: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btmtksdio: fixed a use-after-free in btmtksdiorecvevent We should no longer access the skb buffer data after the hcirecvframe function is called. 39.634809 BUG: KASAN: use-after-free in btmtksdiorecvevent+0x1b0...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btmtksdio: Fixed a kernel oops in btmtksdiointerrupt. Fixed the following kernel oops in btmtksdiointerrrupt: 14.339134 btmtksdiointerrupt+0x28/0x54 14.339139 processsdiopendingirqs+0x68/0x1a0 14.339144...

Bluetooth: btmtksdio: fix infinite loop in btmtksdio_txrx_work()

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SUSE CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

AZL-93518 CVE-2026-64409 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

UBUNTU-CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

EUVD-2026-48953

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64409

CVE-2026-64409 is a denial-of-service vulnerability in the Linux kernel's btmtksdio Bluetooth SDIO driver. The root cause is an incorrect time_is_before_jiffies() check in btmtksdio_txrx_work(): the timeout condition is inverted, so once the 5-second limit is exceeded the loop condition becomes a...

CVE-2026-64409 Bluetooth: btmtksdio: fix infinite loop in btmtksdio_txrx_work()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...