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CVE-2026-98027 net: dsa: mv88e6xxx: bound the policy rule dump by the caller's buffer size

🗓️ 25 Sep 2026 10:23:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

Local DoS in Linux kernel mv88e6xxx via buffer overflow in policy rule dump.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/dsa/mv88e6xxx/chip.c"
    ],
    "versions": [
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "7e4bfc5f0b66feb22cba821303fc25ca22cd0887",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "01124cd2cf4b71755b1130ac82d78dcfbd5d69e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "609c4378f212cf580aae02250f1146caf63d873f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "c5b5c52b6524c9fb50def2260baac745c095ec3a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "44cd4674d9aa5bdf793b8a8b481c9e8536ed6070",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "7a683c2b062810bca203e41866389daf387c235b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "cda5ac8fe8ac8e80b1703ebb8c4250726fc19739",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da7dc87553046a43be1620a783ce3d9f6583d322",
        "lessThan": "b1fffc273112e7284c5b705e186b43b5770cd3d5",
        "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/net/dsa/mv88e6xxx/chip.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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