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CVE-2026-45991 udf: fix partition descriptor append bookkeeping

🗓️ 27 May 2026 12:55:43Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

CVE-2026-45991: UDF fixes partition descriptor append bookkeeping to prevent heap overflow.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/udf/super.c"
    ],
    "versions": [
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "ad3c0c4400686f6f37b382aaa48fac2b9aefccbe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "68013a9bd4c01acd42073715f00e1a1992f089ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "e8474cfbac9ada2cdaa4eaedec22aadfa0f58559",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "058b451b1039f056d1362c4fec2229e522366ab0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "b5597bb83fc37b5b5da74a4453fa920b932cf39a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "08fa5d818e5bf53c7ca234d88ba334f32004e9b6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4af50ca94f58afc3532662779b9cf80bbe27c8",
        "lessThan": "08841b06fa64d8edbd1a21ca6e613420c90cc4b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7f401f160a9c7a1ff84ba3cb9b2f636d1f5cfb6b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.18.7",
        "lessThan": "4.19",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/udf/super.c"
    ],
    "versions": [
      {
        "version": "4.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Jun 2026 11:58Current
CVSS 3.17.8
EPSS0.00169
44