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CVE-2025-68306: Linux kernel may crash during Bluetooth reset on Mediatek devices
CVE-2025-68306 · published 10 months ago
Summary
The Linux kernel packages for HWE, AWS, and Azure can crash when the Bluetooth driver for Mediatek chips tries to release resources during a reset test. This can cause the whole system to stop working. Updating to the latest kernel version that includes the fix prevents the crash.
What to do
- Update canonical linux-aws-6.17 to version 6.17.0-1009.9~24.04.2.
- Update canonical linux-azure-6.17 to version 6.17.0-1010.10~24.04.1.
- Update canonical linux-gcp-6.17 to version 6.17.0-1009.9~24.04.3.
- Update canonical linux-hwe-6.17 to version 6.17.0-19.19~24.04.2.
- Update canonical linux-nvidia-6.17 to version 6.17.0-1018.18.
- Update canonical linux-oem-6.17 to version 6.17.0-1017.17.
- Update canonical linux-oracle-6.17 to version 6.17.0-1009.9~24.04.1.
- Update canonical linux-riscv-6.17 to version 6.17.0-19.19.1~24.04.1.
- Update canonical linux-realtime-6.17 to version 6.17.0-1008.9~24.04.1.
- Update canonical linux to version 6.17.0-19.19.
- Update canonical linux-aws to version 6.17.0-1009.9.
- Update canonical linux-azure to version 6.17.0-1010.10.
- Update canonical linux-gcp to version 6.17.0-1009.9.
- Update canonical linux-oracle to version 6.17.0-1009.9.
- Update canonical linux-raspi to version 6.17.0-1010.10.
- Update canonical linux-realtime to version 6.17.0-1008.9.
- Update canonical linux-riscv to version 6.17.0-19.19.1.
- Update debian linux to version 6.12.63-1.
- Update debian linux to version 6.17.11-1.
- Update linux kernel to version 6.17.11.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:16.04:LTS | canonical | linux-hwe-edge | All versions |
| Ubuntu:18.04:LTS | canonical | linux-aws-5.0 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-aws-5.3 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure-5.3 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure-edge | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gcp | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gcp-5.3 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gke-4.15 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gke-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gkeop-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-hwe | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oem | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oracle-5.0 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oracle-5.3 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-fde | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gke | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gke-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gkeop | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gkeop-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-intel-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.10 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.14 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.6 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-raspi2 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.8 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-allwinner-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-6.2 | All versions |
Showing 50 of 115. Show the rest
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:22.04:LTS | canonical | linux-azure-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-fde-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-fde-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-intel-iot-realtime | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-5.17 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.0 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.1 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oracle-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-realtime | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-6.5 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-aws-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-aws-6.17 |
< 6.17.0-1009.9~24.04.2 Fix: upgrade to 6.17.0-1009.9~24.04.2
|
| Ubuntu:24.04:LTS | canonical | linux-azure-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-6.17 |
< 6.17.0-1010.10~24.04.1 Fix: upgrade to 6.17.0-1010.10~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-azure-fde-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-nvidia-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-gcp-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-gcp-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-gcp-6.17 |
< 6.17.0-1009.9~24.04.3 Fix: upgrade to 6.17.0-1009.9~24.04.3
|
| Ubuntu:24.04:LTS | canonical | linux-hwe-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-hwe-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-hwe-6.17 |
< 6.17.0-19.19~24.04.2 Fix: upgrade to 6.17.0-19.19~24.04.2
|
| Ubuntu:24.04:LTS | canonical | linux-lowlatency-hwe-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-nvidia-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-nvidia-6.17 |
< 6.17.0-1018.18 Fix: upgrade to 6.17.0-1018.18
|
| Ubuntu:24.04:LTS | canonical | linux-oem-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oem-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oem-6.17 |
< 6.17.0-1017.17 Fix: upgrade to 6.17.0-1017.17
|
| Ubuntu:24.04:LTS | canonical | linux-oem-6.8 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oracle-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oracle-6.17 |
< 6.17.0-1009.9~24.04.1 Fix: upgrade to 6.17.0-1009.9~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-raspi-realtime | All versions |
| Ubuntu:24.04:LTS | canonical | linux-riscv-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-riscv-6.17 |
< 6.17.0-19.19.1~24.04.1 Fix: upgrade to 6.17.0-19.19.1~24.04.1
|
| Ubuntu:Nvidia-BlueField:24.04:LTS | canonical | linux-bluefield | All versions |
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-realtime-6.14 | All versions |
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-realtime-6.17 |
< 6.17.0-1008.9~24.04.1 Fix: upgrade to 6.17.0-1008.9~24.04.1
|
| Ubuntu:25.10 | canonical | linux |
< 6.17.0-19.19 Fix: upgrade to 6.17.0-19.19
|
| Ubuntu:25.10 | canonical | linux-aws |
< 6.17.0-1009.9 Fix: upgrade to 6.17.0-1009.9
|
| Ubuntu:25.10 | canonical | linux-azure |
< 6.17.0-1010.10 Fix: upgrade to 6.17.0-1010.10
|
| Ubuntu:25.10 | canonical | linux-gcp |
< 6.17.0-1009.9 Fix: upgrade to 6.17.0-1009.9
|
| Ubuntu:25.10 | canonical | linux-oracle |
< 6.17.0-1009.9 Fix: upgrade to 6.17.0-1009.9
|
| Ubuntu:25.10 | canonical | linux-raspi |
< 6.17.0-1010.10 Fix: upgrade to 6.17.0-1010.10
|
| Ubuntu:25.10 | canonical | linux-realtime |
< 6.17.0-1008.9 Fix: upgrade to 6.17.0-1008.9
|
| Ubuntu:25.10 | canonical | linux-riscv |
< 6.17.0-19.19.1 Fix: upgrade to 6.17.0-19.19.1
|
| Debian:13 | debian | linux |
< 6.12.63-1 Fix: upgrade to 6.12.63-1
|
| Debian:14 | debian | linux |
< 6.17.11-1 Fix: upgrade to 6.17.11-1
|
| Linux | linux | kernel |
>= 6.13.0, < 6.17.11 Fix: upgrade to 6.17.11
|
Original advisory text
Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface When performing reset tests and encountering abnormal card drop issues that lead to a kernel crash, it is necessary to perform a null check before releasing resources to avoid attempting to release a null pointer. <4>[ 29.158070] Hardware name: Google Quigon sku196612/196613 board (DT) <4>[ 29.158076] Workqueue: hci0 hci_cmd_sync_work [bluetooth] <4>[ 29.158154] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) <4>[ 29.158162] pc : klist_remove+0x90/0x158 <4>[ 29.158174] lr : klist_remove+0x88/0x158 <4>[ 29.158180] sp : ffffffc0846b3c00 <4>[ 29.158185] pmr_save: 000000e0 <4>[ 29.158188] x29: ffffffc0846b3c30 x28: ffffff80cd31f880 x27: ffffff80c1bdc058 <4>[ 29.158199] x26: dead000000000100 x25: ffffffdbdc624ea3 x24: ffffff80c1bdc4c0 <4>[ 29.158209] x23: ffffffdbdc62a3e6 x22: ffffff80c6c07000 x21: ffffffdbdc829290 <4>[ 29.158219] x20: 0000000000000000 x19: ffffff80cd3e0648 x18: 000000031ec97781 <4>[ 29.158229] x17: ffffff80c1bdc4a8 x16: ffffffdc10576548 x15: ffffff80c1180428 <4>[ 29.158238] x14: 0000000000000000 x13: 000000000000e380 x12: 0000000000000018 <4>[ 29.158248] x11: ffffff80c2a7fd10 x10: 0000000000000000 x9 : 0000000100000000 <4>[ 29.158257] x8 : 0000000000000000 x7 : 7f7f7f7f7f7f7f7f x6 : 2d7223ff6364626d <4>[ 29.158266] x5 : 0000008000000000 x4 : 0000000000000020 x3 : 2e7325006465636e <4>[ 29.158275] x2 : ffffffdc11afeff8 x1 : 0000000000000000 x0 : ffffffdc11be4d0c <4>[ 29.158285] Call trace: <4>[ 29.158290] klist_remove+0x90/0x158 <4>[ 29.158298] device_release_driver_internal+0x20c/0x268 <4>[ 29.158308] device_release_driver+0x1c/0x30 <4>[ 29.158316] usb_driver_release_interface+0x70/0x88 <4>[ 29.158325] btusb_mtk_release_iso_intf+0x68/0xd8 [btusb (HASH:e8b6 5)] <4>[ 29.158347] btusb_mtk_reset+0x5c/0x480 [btusb (HASH:e8b6 5)] <4>[ 29.158361] hci_cmd_sync_work+0x10c/0x188 [bluetooth (HASH:a4fa 6)] <4>[ 29.158430] process_scheduled_works+0x258/0x4e8 <4>[ 29.158441] worker_thread+0x300/0x428 <4>[ 29.158448] kthread+0x108/0x1d0 <4>[ 29.158455] ret_from_fork+0x10/0x20 <0>[ 29.158467] Code: 91343000 940139d1 f9400268 927ff914 (f9401297) <4>[ 29.158474] ---[ end trace 0000000000000000 ]--- <0>[ 29.167129] Kernel panic - not syncing: Oops: Fatal exception <2>[ 29.167144] SMP: stopping secondary CPUs <4>[ 29.167158] ------------[ cut here ]------------
References
- https://ubuntu.com/security/CVE-2025-68306 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-68306 Third Party Advisory
- https://git.kernel.org/linus/4015b979767125cf8a2233a145a3b3af78bfd8fb Third Party Advisory
- https://ubuntu.com/security/notices/USN-8094-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8094-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8094-3 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8094-4 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8094-5 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8152-1 Vendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2025-68306 Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68306... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-68306 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
- https://git.kernel.org/stable/c/421e88a0d85782786b7a1764c75518b4845e07b3 URL
- https://git.kernel.org/stable/c/4015b979767125cf8a2233a145a3b3af78bfd8fb URL
- https://git.kernel.org/stable/c/faae9f2ea8806f2499186448adbf94689b47b82b URL
Timeline
Published16 Dec 2025
Updated29 Oct 2026
First seen7 Mar 2026
Sources
CVE-2025-68306 · NVD
UBUNTU-CVE-2025-68306 · OSV
DEBIAN-CVE-2025-68306 · OSV
CVE-2025-68306 · OSV
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