github - ghsa-389h-6rjg-wxc9

GHSA-389H-6RJG-WXC9

Vulnerability from github – Published: 2024-04-02 09:30 – Updated: 2025-03-17 15:31

Details

In the Linux kernel, the following vulnerability has been resolved:

xhci: handle isoc Babble and Buffer Overrun events properly

xHCI 4.9 explicitly forbids assuming that the xHC has released its ownership of a multi-TRB TD when it reports an error on one of the early TRBs. Yet the driver makes such assumption and releases the TD, allowing the remaining TRBs to be freed or overwritten by new TDs.

The xHC should also report completion of the final TRB due to its IOC flag being set by us, regardless of prior errors. This event cannot be recognized if the TD has already been freed earlier, resulting in "Transfer event TRB DMA ptr not part of current TD" error message.

Fix this by reusing the logic for processing isoc Transaction Errors. This also handles hosts which fail to report the final completion.

Fix transfer length reporting on Babble errors. They may be caused by device malfunction, no guarantee that the buffer has been filled.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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  "affected": [],
  "aliases": [
    "CVE-2024-26659"
  ],
  "database_specific": {
    "cwe_ids": [
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    "github_reviewed_at": null,
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    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: handle isoc Babble and Buffer Overrun events properly\n\nxHCI 4.9 explicitly forbids assuming that the xHC has released its\nownership of a multi-TRB TD when it reports an error on one of the\nearly TRBs. Yet the driver makes such assumption and releases the TD,\nallowing the remaining TRBs to be freed or overwritten by new TDs.\n\nThe xHC should also report completion of the final TRB due to its IOC\nflag being set by us, regardless of prior errors. This event cannot\nbe recognized if the TD has already been freed earlier, resulting in\n\"Transfer event TRB DMA ptr not part of current TD\" error message.\n\nFix this by reusing the logic for processing isoc Transaction Errors.\nThis also handles hosts which fail to report the final completion.\n\nFix transfer length reporting on Babble errors. They may be caused by\ndevice malfunction, no guarantee that the buffer has been filled.",
  "id": "GHSA-389h-6rjg-wxc9",
  "modified": "2025-03-17T15:31:38Z",
  "published": "2024-04-02T09:30:40Z",
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CVE-2024-26659 (GCVE-0-2024-26659)

Vulnerability from cvelistv5 – Published: 2024-04-02 06:22 – Updated: 2025-05-04 08:53

Summary

In the Linux kernel, the following vulnerability has been resolved: xhci: handle isoc Babble and Buffer Overrun events properly xHCI 4.9 explicitly forbids assuming that the xHC has released its ownership of a multi-TRB TD when it reports an error on one of the early TRBs. Yet the driver makes such assumption and releases the TD, allowing the remaining TRBs to be freed or overwritten by new TDs. The xHC should also report completion of the final TRB due to its IOC flag being set by us, regardless of prior errors. This event cannot be recognized if the TD has already been freed earlier, resulting in "Transfer event TRB DMA ptr not part of current TD" error message. Fix this by reusing the logic for processing isoc Transaction Errors. This also handles hosts which fail to report the final completion. Fix transfer length reporting on Babble errors. They may be caused by device malfunction, no guarantee that the buffer has been filled.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/696e4112e5c1ee619…
	https://git.kernel.org/stable/c/2aa7bcfdbb46241c7…
	https://git.kernel.org/stable/c/2e3ec80ea7ba58bbb…
	https://git.kernel.org/stable/c/f5e7ffa9269a448a7…
	https://git.kernel.org/stable/c/418456c0ce5620961…
	https://git.kernel.org/stable/c/7c4650ded49e5b889…

Impacted products

Vendor

Product

Version

Linux

Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 696e4112e5c1ee61996198f0ebb6ca3fab55166e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2aa7bcfdbb46241c701811bbc0d64d7884e3346c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2e3ec80ea7ba58bbb210e83b5a0afefee7c171d3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f5e7ffa9269a448a720e21f1ed1384d118298c97 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 418456c0ce56209610523f21734c5612ee634134 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7c4650ded49e5b88929ecbbb631efb8b0838e811 (git)

Linux

Unaffected: 5.10.213 , ≤ 5.10.* (semver)
Unaffected: 5.15.152 , ≤ 5.15.* (semver)
Unaffected: 6.1.82 , ≤ 6.1.* (semver)
Unaffected: 6.6.17 , ≤ 6.6.* (semver)
Unaffected: 6.7.5 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-389H-6RJG-WXC9

CVE-2024-26659 (GCVE-0-2024-26659)

Tags

Sightings

Nomenclature