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CVE-2026-31436 dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()

🗓️ 22 Apr 2026 13:53:35Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-31436: dmaengine idxd fixes wrong descriptor completion in llist_abort_desc by completing the traversal cursor.

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/submit.c"
    ],
    "versions": [
      {
        "version": "aa8d18becc0c14aa3eb46d6d1b81450446e11b87",
        "lessThan": "e21da2ad8844585040fe4b82be1ad2fe99d40074",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa8d18becc0c14aa3eb46d6d1b81450446e11b87",
        "lessThan": "82656e8daf8de00935ae91b91bed43f4d6e0d644",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa8d18becc0c14aa3eb46d6d1b81450446e11b87",
        "lessThan": "0e4f43779d550e559be13a5cdb763bad92c4cc99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa8d18becc0c14aa3eb46d6d1b81450446e11b87",
        "lessThan": "e1c9866173c5f8521f2d0768547a01508cb9ff27",
        "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/submit.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.80",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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