In the Linux kernel, the following vulnerability has been resolved:
media: rc: igorplugusb: fix control request setup packet
Commit eac69475b01f ("media: rc: igorplugusb: heed coherency rules") changed the control request storage from an embedded struct to an allocated pointer so it can obey DMA coherency rules.
However, the driver still passes &ir->request to usb_fill_control_urb(). That points the URB setup packet at the pointer field itself rather than at the allocated struct usb_ctrlrequest.
USB core then interprets pointer bytes as the setup packet. This can produce an invalid bRequestType and trigger the control direction warning reported by syzbot:
usb 2-1: BOGUS control dir, pipe 80003580 doesn't match bRequestType 0
Pass ir->request itself as the setup packet.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 28, 2026 | Jul 28, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-awsUpgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-azureUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-gcp-64kUpgrade linux-image-raspiUpgrade linux-image-nvidia-64kUpgrade linux-image-azure-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-gcpUpgrade linux-image-raspi-realtimeUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-nvidiaUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-nvidia-bos-64k-7.0 | Jul 28, 2026 | Jul 28, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 28, 2026 | Jul 24, 2026 |
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