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CVE-2025-71163 dmaengine: idxd: fix device leaks on compat bind and unbind

🗓️ 25 Jan 2026 14:36:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Fix device leaks in dmaengine idxd by dropping the reference during compat bind and unbind.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma/idxd/compat.c"
    ],
    "versions": [
      {
        "version": "6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9",
        "lessThan": "b7bd948f89271c92d9ca9b2b682bfba56896e959",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9",
        "lessThan": "b2d077180a56e3b7c97b7517d0465b584adc693b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9",
        "lessThan": "c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9",
        "lessThan": "0c97ff108f825a70c3bb29d65ddf0a013d231bb9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9",
        "lessThan": "a7226fd61def74b60dd8e47ec84cabafc39d575b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9",
        "lessThan": "799900f01792cf8b525a44764f065f83fcafd468",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma/idxd/compat.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.199",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.162",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.122",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.67",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.7",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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