CVE-2025-68307 (GCVE-0-2025-68307)

Vulnerability from cvelistv5 – Published: 2025-12-16 15:06 – Updated: 2025-12-16 15:06
VLAI?
Title
can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs
Summary
In the Linux kernel, the following vulnerability has been resolved: can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs The driver lacks the cleanup of failed transfers of URBs. This reduces the number of available URBs per error by 1. This leads to reduced performance and ultimately to a complete stop of the transmission. If the sending of a bulk URB fails do proper cleanup: - increase netdev stats - mark the echo_sbk as free - free the driver's context and do accounting - wake the send queue
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d08e973a77d128b25e01a08c34d89593fdf222da , < f7a5560675bd85efaf16ab01a43053670ff2b000 (git)
Affected: d08e973a77d128b25e01a08c34d89593fdf222da , < 1a588c40a422a3663a52f1c5535e8fb6b044167d (git)
Affected: d08e973a77d128b25e01a08c34d89593fdf222da , < 4a82072e451eacf24fc66a445e906f5095d215db (git)
Affected: d08e973a77d128b25e01a08c34d89593fdf222da , < 9c8eb33b7008178b6ce88aa7593d12063ce60ca3 (git)
Affected: d08e973a77d128b25e01a08c34d89593fdf222da , < 516a0cd1c03fa266bb67dd87940a209fd4e53ce7 (git)
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    Linux Linux Affected: 3.16
Unaffected: 0 , < 3.16 (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/can/usb/gs_usb.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "0",
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              "version": "6.12.61",
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            {
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              "status": "unaffected",
              "version": "6.17.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs\n\nThe driver lacks the cleanup of failed transfers of URBs. This reduces the\nnumber of available URBs per error by 1. This leads to reduced performance\nand ultimately to a complete stop of the transmission.\n\nIf the sending of a bulk URB fails do proper cleanup:\n- increase netdev stats\n- mark the echo_sbk as free\n- free the driver\u0027s context and do accounting\n- wake the send queue"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T15:06:24.271Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/f7a5560675bd85efaf16ab01a43053670ff2b000"
        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/516a0cd1c03fa266bb67dd87940a209fd4e53ce7"
        }
      ],
      "title": "can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68307",
    "datePublished": "2025-12-16T15:06:24.271Z",
    "dateReserved": "2025-12-16T14:48:05.294Z",
    "dateUpdated": "2025-12-16T15:06:24.271Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • 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.
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  • 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.



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