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CVE-2026-15449

🗓️ 16 Jul 2026 19:27:16Reported by illumosType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views🌐 WEB

TOCTOU flaw in illumos data-link driver ioctls on /dev/dld can cause kernel heap corruption via two copyins.

Related
Affected
Refs
Paths
[
  {
    "vendor": "illumos",
    "product": "illumos-gate",
    "repo": "https://github.com/illumos/illumos-gate",
    "modules": [
      "kernel",
      "dld"
    ],
    "programFiles": [
      "usr/src/uts/common/io/dld/dld_drv.c",
      "usr/src/uts/common/sys/dld.h"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "eae72b5b807baa9116e64502cbb278edf15f3146",
        "lessThan": "6959feb5b430411a4809b06c53dcdb42fb525eac",
        "changes": [
          {
            "at": "6959feb5b430411a4809b06c53dcdb42fb525eac",
            "status": "unaffected"
          }
        ],
        "versionType": "git"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "OmniOS",
    "product": "OmniOS",
    "versions": [
      {
        "status": "affected",
        "version": "any",
        "lessThan": "r151054",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "r151058",
        "lessThan": "r151058j",
        "changes": [
          {
            "at": "r151058j",
            "status": "unaffected"
          }
        ],
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "r151056",
        "lessThan": "r151056aj",
        "changes": [
          {
            "at": "r151056aj",
            "status": "unaffected"
          }
        ],
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "r151054",
        "lessThan": "r151054bj",
        "changes": [
          {
            "at": "r151054bj",
            "status": "unaffected"
          }
        ],
        "versionType": "custom"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Triton Data Center",
    "product": "SmartOS",
    "versions": [
      {
        "status": "affected",
        "version": "any",
        "lessThan": "202060709",
        "changes": [
          {
            "at": "20260709",
            "status": "unaffected"
          }
        ],
        "versionType": "custom"
      }
    ],
    "defaultStatus": "affected"
  }
]
ParameterPositionPathDescriptionCWE
pr_valsizepath/dev/dldTOCTOU vulnerability in illumos dld that can lead to kernel heap corruption via DLDIOC_GETMACPROP/DLDIOC_SETMACPROP ioctls on /dev/dld due to two-stage copy where pr_valsize can be enlarged between copies.CWE-367CWE-122
dld_ioc_macprop_tpath/dev/dldTOCTOU vulnerability in illumos dld that can lead to kernel heap corruption via DLDIOC_GETMACPROP/DLDIOC_SETMACPROP ioctls on /dev/dld due to two-stage copy where pr_valsize can be enlarged between copies.CWE-367CWE-122
MACPROPpath/dev/dldTOCTOU vulnerability in illumos dld that can lead to kernel heap corruption via DLDIOC_GETMACPROP/DLDIOC_SETMACPROP ioctls on /dev/dld due to two-stage copy where pr_valsize can be enlarged between copies.CWE-367CWE-122

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17 Jul 2026 18:45Current
6.2Medium risk
Vulners AI Score6.2
CVSS 45.8
EPSS0.00116
SSVC
26