In the Linux kernel, the following vulnerability has been resolved:
ALSA: usb-audio: avoid kobject path lookup in DualSense match
The DualSense jack-detection input handler verifies that a matching input device belongs to the same physical controller by building kobject path strings for both the input device and the USB audio device, then comparing the path prefix.
This was observed when a weak physical connection caused the controller to rapidly disconnect and reconnect. During that repeated hotplug, snd_dualsense_ih_match() can run while the controller's USB device is being disconnected. kobject_get_path() walks ancestor kobjects and dereferences their names; if the USB device kobject name is no longer valid, this can fault in strlen():
RIP: 0010:strlen+0x10/0x30 Call Trace: kobject_get_path+0x34/0x150 snd_dualsense_ih_match+0x49/0xd0 [snd_usb_audio] input_register_device+0x566/0x6a0 ps_probe+0xb89/0x1590 [hid_playstation]
The same ownership check can be done without building kobject path strings. The input device is parented below the HID device, USB interface and USB device, so walking the input device parent chain and comparing against the mixer USB device preserves the check without dereferencing kobject names during disconnect.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linuxUpgrade linux-6.12 | Jul 28, 2026 | Jul 28, 2026 |
| Redhat_linux | — | No solution exists | Jul 30, 2026 | Jul 25, 2026 |
| Ubuntu | — | Upgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-gke-64k-7.0Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-oem-26.04aUpgrade linux-image-raspiUpgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-oem-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-ibm-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-oem-26.04Upgrade linux-image-gcpUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-aws-64kUpgrade linux-image-azure-7.0Upgrade linux-image-generic-64k-7.0Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-7.0.0-31-genericUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-azureUpgrade linux-image-ibmUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-oracle-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-generic-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-gkeUpgrade linux-image-gke-64kUpgrade linux-image-azure-lts-26.04Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-nvidia-bosUpgrade linux-image-aws-64k-7.0Upgrade linux-image-realtimeUpgrade linux-image-gcp-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-oracle-7.0Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-virtualUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-gke-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-realtime-64kUpgrade linux-image-virtual-7.0Upgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-oem-26.04bUpgrade linux-image-aws-7.0Upgrade linux-image-awsUpgrade linux-image-realtime-7.0Upgrade linux-image-oracleUpgrade linux-image-7.0.0-31-realtime | Sep 14, 2026 | Sep 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 31, 2026 | Jul 25, 2026 |
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