CVE-2026-80667 (GCVE-0-2026-80667)
Vulnerability from cvelistv5
Published
2026-08-28 06:49
Modified
2026-08-28 06:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, MPESW, Fix missing complete() on devcom error mlx5_mpesw_work() returned without calling complete() when mlx5_lag_get_devcom_comp() returned NULL. A caller that queued the work and waited on mpesww->comp would block indefinitely. Funnel the early-return path through a new "complete" label so the waiter is always woken.
References
Impacted products
Vendor Product Version
Linux Linux Version: b430c1b4f63be51dde175a1dd3addba65ca24e2b
Version: b430c1b4f63be51dde175a1dd3addba65ca24e2b
Version: b430c1b4f63be51dde175a1dd3addba65ca24e2b
Version: b430c1b4f63be51dde175a1dd3addba65ca24e2b
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "68cdbe498da8475cfd49591954e3db8fc6582eda",
              "status": "affected",
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              "versionType": "git"
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          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
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        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: LAG, MPESW, Fix missing complete() on devcom error\n\nmlx5_mpesw_work() returned without calling complete() when\nmlx5_lag_get_devcom_comp() returned NULL. A caller that queued the\nwork and waited on mpesww-\u003ecomp would block indefinitely.\n\nFunnel the early-return path through a new \"complete\" label so the\nwaiter is always woken."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T06:49:09.277Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/68cdbe498da8475cfd49591954e3db8fc6582eda"
        },
        {
          "url": "https://git.kernel.org/stable/c/6a802de97a8bf8d5f1e4a048c67de9a8c2d2f9eb"
        },
        {
          "url": "https://git.kernel.org/stable/c/4d720c6c60e1852253b68aeee3044ebed5243adb"
        },
        {
          "url": "https://git.kernel.org/stable/c/d4b85f9a668b9c44216bb78daf4ec1a915cc92d1"
        }
      ],
      "title": "net/mlx5: LAG, MPESW, Fix missing complete() on devcom error",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80667",
    "datePublished": "2026-08-28T06:49:09.277Z",
    "dateReserved": "2026-08-26T14:34:25.782Z",
    "dateUpdated": "2026-08-28T06:49:09.277Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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