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CVE-2026-99063

🗓️ 23 Oct 2026 12:23:04Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Root can trigger an out-of-bounds read in the Linux kernel dm ioctl.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-99063 dm ioctl: don't let data_start run past the buffer
23 Oct 202612:23
–cvelist
euvd
EUVD
EUVD-2026-108729
23 Oct 202612:23
–euvd
nvd
NVD
CVE-2026-99063
23 Oct 202613:17
–nvd
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.25–6.6.160
linuxlinux_kernelRange6.7.0–6.12.113
linuxlinux_kernelRange6.13.0–6.18.57
linuxlinux_kernelRange6.19.0–7.2.11
linuxlinux_kernelRange7.3.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/dm-ioctl.c"
    ],
    "versions": [
      {
        "version": "76c072b48e39e9291fbf02d6c912cf27d65e093d",
        "lessThan": "98195e822343a656b92e235847ab3e72b1a3f920",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "76c072b48e39e9291fbf02d6c912cf27d65e093d",
        "lessThan": "e5c3f3d8935ecc64c962fb66e6a86dbf79218f61",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "76c072b48e39e9291fbf02d6c912cf27d65e093d",
        "lessThan": "5680b6fb3054677d4ee65d3baba24b649f1b430e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "76c072b48e39e9291fbf02d6c912cf27d65e093d",
        "lessThan": "725b49c689bbb29ef740b0d6b5ea9390baa9a695",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "76c072b48e39e9291fbf02d6c912cf27d65e093d",
        "lessThan": "9b3fcf519d370df94a56f3b272d9eddffffa5be8",
        "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/md/dm-ioctl.c"
    ],
    "versions": [
      {
        "version": "2.6.25",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.25",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.113",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.11",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 Oct 2026 13:17Current
6.3Medium risk
Vulners AI Score6.3
1