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CVE-2026-68325

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Bound the early ACPI HID map The ivrs_acpihid command-line parser appends entries to a fixed four-element early_acpihid_map array. Unlike the sibling IOAPIC and HPET parsers, it does not reject a fifth entry before incrementing the map size. Check the capacity at the common found label before parsing the HID and UID or writing the entry.

Severity
Not scored
CVSS score
Not available
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-08-10 13:20:22.667000
Last modified
2026-11-06 17:19:29.070000
View original CVE JSON
{
  "id": "CVE-2026-68325",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-08-10T13:20:22.667",
  "lastModified": "2026-11-06T17:19:29.070",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Bound the early ACPI HID map\n\nThe ivrs_acpihid command-line parser appends entries to a fixed\nfour-element early_acpihid_map array. Unlike the sibling IOAPIC and HPET\nparsers, it does not reject a fifth entry before incrementing the map size.\n\nCheck the capacity at the common found label before parsing the HID and\nUID or writing the entry."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/iommu/amd/init.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "9ae6b1b972ce01d3316c8a5f7f58c8b3668cc6bb",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "e5e0098f8cd82f8b3c8687a8f686309565d51745",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "afe7ea0520c49586703f210865ace2d70b017e48",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "1e31d2394e0db69541b1591d46c5ad6431c81db3",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "abe5d7962f09adada9c4fb25b816dddd3f97c55d",
              "versionType": "git",
              "status": "affected"
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              "lessThan": "e5ebe8544df1a1c3611739a8622156094fe470df",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "030a8e84f8f1b6e96f469c84a13a225c3699910b",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ca3bf5d47cec8b7614bcb2e9132c40081d6d81db",
              "lessThan": "fb80117fddb5b477218dc99bb53911b72c3847f8",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/iommu/amd/init.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.7",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.7",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.10.265",
              "lessThanOrEqual": "5.10.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.15.216",
              "lessThanOrEqual": "5.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.183",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.148",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.101",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.42",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.1.6",
              "lessThanOrEqual": "7.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-06T16:47:14.631530Z",
          "id": "CVE-2026-68325",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/030a8e84f8f1b6e96f469c84a13a225c3699910b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1e31d2394e0db69541b1591d46c5ad6431c81db3",
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    },
    {
      "url": "https://git.kernel.org/stable/c/9ae6b1b972ce01d3316c8a5f7f58c8b3668cc6bb",
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    },
    {
      "url": "https://git.kernel.org/stable/c/abe5d7962f09adada9c4fb25b816dddd3f97c55d",
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    {
      "url": "https://git.kernel.org/stable/c/afe7ea0520c49586703f210865ace2d70b017e48",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/e5e0098f8cd82f8b3c8687a8f686309565d51745",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e5ebe8544df1a1c3611739a8622156094fe470df",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fb80117fddb5b477218dc99bb53911b72c3847f8",
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}