CVE-2026-64240 (GCVE-0-2026-64240)

Vulnerability from cvelistv5 – Published: 2026-07-24 15:27 – Updated: 2026-07-24 15:27
VLAI
Title
media: rc: igorplugusb: fix control request setup packet
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: bc04b8633b375af6ac8a8bb615258b80fe06cdaa , < e823e4294511989f5962e7ad85bf4d179ba74f52 (git)
Affected: 81f0fb813e4bf28b3ca28dc218938a32eb48f740 , < 2243ad78ce64d344754260533ae7730c2174a34a (git)
Affected: 0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a , < aa22590a16e51455c6db802c774b31aadc604a9a (git)
Affected: 18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a , < 060fca8e098387f949e4eedaf215d952e477ac12 (git)
Affected: 0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc , < 0d880d2db9856e94127ab09331363bef59f98005 (git)
Affected: 0adac0ee2c42027d80bac02ea9b576a88f8955d3 , < f33b5a61673bd220fdaaf4202cf1013d6d66c943 (git)
Affected: a62ca67e3c72fb297dc7c86495ba8f7329d7f150 , < 5cc3f6db72f77d1a8f7f1cf4ac01803927ffdf15 (git)
Affected: eac69475b01fe1e861dfe3960b57fa95671c132e , < 171022c7d594c133a45f92357a2a91475edabe20 (git)
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Linux Linux Affected: 6.6.140 , < 6.6.143 (semver)
Affected: 6.12.86 , < 6.12.93 (semver)
Affected: 6.18.27 , < 6.18.35 (semver)
Affected: 7.0.4 , < 7.0.12 (semver)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rc: igorplugusb: fix control request setup packet\n\nCommit eac69475b01f (\"media: rc: igorplugusb: heed coherency\nrules\") changed the control request storage from an embedded struct to\nan allocated pointer so it can obey DMA coherency rules.\n\nHowever, the driver still passes \u0026ir-\u003erequest to usb_fill_control_urb().\nThat points the URB setup packet at the pointer field itself rather than\nat the allocated struct usb_ctrlrequest.\n\nUSB core then interprets pointer bytes as the setup packet. This can\nproduce an invalid bRequestType and trigger the control direction warning\nreported by syzbot:\n\n  usb 2-1: BOGUS control dir, pipe 80003580 doesn\u0027t match bRequestType 0\n\nPass ir-\u003erequest itself as the setup packet."
        }
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    "dateReserved": "2026-07-19T15:36:31.772Z",
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-07-28T13:05:39+00:00",
      "cve": "CVE-2026-64240",
      "id": "CVE-2026-64240",
      "initial_release_date": "2026-07-24T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: rc: igorplugusb: fix control request setup packet",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64240.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.