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CVE-2026-74470 scsi: scsi_debug: Fix REPORT ZONES alloc_len underflow OOB write

🗓️ 15 Aug 2026 12:27:07Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

scsi_debug REPORT ZONES alloc_len underflow causes 32-bit OOB write and kernel panic.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/scsi/scsi_debug.c"
    ],
    "versions": [
      {
        "version": "ebacb44cb2042b90951140eda806bedad23ef554",
        "lessThan": "7b615fc139e35c81077046df44725c532f7e2404",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7db0e0c8190a086ef92ce5bb960836cde49540aa",
        "lessThan": "5d3e1d006bbb543259f9e31824caadbfff6a5465",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7db0e0c8190a086ef92ce5bb960836cde49540aa",
        "lessThan": "49e5b25a0b74dbac595f122e5608fdce2918cc4e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7db0e0c8190a086ef92ce5bb960836cde49540aa",
        "lessThan": "495058429ca55ab7fcc21977b63b92907ad68066",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7db0e0c8190a086ef92ce5bb960836cde49540aa",
        "lessThan": "2047ed09bf13453b7d6f9431b112ec07984dd69b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7db0e0c8190a086ef92ce5bb960836cde49540aa",
        "lessThan": "d6e6da6bc3b53231fac77ffab428da8173ee729c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7db0e0c8190a086ef92ce5bb960836cde49540aa",
        "lessThan": "93dde0bf2f39a0f9f57fd610aa3201ce5b753433",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c4d2d7c935a4ad20e8e726ca10499cefe4537103",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.8",
        "lessThan": "5.15.217",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.85",
        "lessThan": "5.11",
        "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/scsi/scsi_debug.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.217",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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