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CVE-2026-89456 s390/dasd: Propagate partial completion length across ERP recovery

🗓️ 11 Sep 2026 19:43:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Linux kernel s390/dasd drops partial completion length during ERP recovery returning zeroed data.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/block/dasd_erp.c"
    ],
    "versions": [
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "9e063165d3fe58db2a517717b830f17e82d03467",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "6b0954c8a259da1e4aa745989f82723947acfb46",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "d0a2f97d8c97134aa7f6a191940b7bab4bb42f5f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "f735b9710f0c8fe72c1060103e865f4ae678190b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "d6b8778b1b82aa3a8dbf8612080f635b834bd16b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "ceafb262475ac6cb3a7d07b1102608be2b216b99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "15ec03452c18e8d288e519837d21b308300d74b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e6bdd37c5526ef01326df5dabb93011ee89237e",
        "lessThan": "6fb5ba2e7e43173a3761e46f091070a8185efa14",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbbacd0dcbc3ae9398c569dbea96ae4b5ad97e04",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5f7c9989f11305aaa43e0f4378f4f070022a9f2b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.4.26",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.5.10",
        "lessThan": "5.6",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/block/dasd_erp.c"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 08:47Current
CVSS 3.17
EPSS0.00149
42