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CVE-2025-21766 ipv4: use RCU protection in __ip_rt_update_pmtu()

🗓️ 27 Feb 2025 02:18:16Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Resolved CVE-2025-21766 in Linux kernel for RCU protection in IP routing path MTU updates.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/route.c"
    ],
    "versions": [
      {
        "version": "2fbc6e89b2f1403189e624cabaf73e189c5e50c6",
        "lessThan": "ce3c6165fce0f06305c806696882a3ad4b90e33f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fbc6e89b2f1403189e624cabaf73e189c5e50c6",
        "lessThan": "ea07480b23225942208f1b754fea1e7ec486d37e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fbc6e89b2f1403189e624cabaf73e189c5e50c6",
        "lessThan": "9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fbc6e89b2f1403189e624cabaf73e189c5e50c6",
        "lessThan": "4583748b65dee4d61bd50a2214715b4237bc152a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fbc6e89b2f1403189e624cabaf73e189c5e50c6",
        "lessThan": "a39f61d212d822b3062d7f70fa0588e50e55664e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fbc6e89b2f1403189e624cabaf73e189c5e50c6",
        "lessThan": "139512191bd06f1b496117c76372b2ce372c9a41",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f415c264176e6095e9dee823e09c5bdd0ee0d337",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98776a365da509ad923083ae54b38ee521c52742",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "860e2cc78c697c95bc749abb20047239fa1722ea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2b1be6c925cdf4638811765a9160796291494b89",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.14.200",
        "lessThan": "4.15",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.148",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.68",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.8.12",
        "lessThan": "5.9",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/route.c"
    ],
    "versions": [
      {
        "version": "5.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.179",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.129",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.79",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.16",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.4",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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