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CVE-2026-53259 ipv6: anycast: insert aca into global hash under idev->lock

🗓️ 25 Jun 2026 08:39:48Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

linux kernel ipv6 anycast insertion under idev lock leads to use after free in ipv6 address list

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/anycast.c"
    ],
    "versions": [
      {
        "version": "eb1ac9ff6c4a5720b1a1476233be374c5dc44bff",
        "lessThan": "15be7e9fdbff831fb3e89b83cc337a4f85ad3310",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb1ac9ff6c4a5720b1a1476233be374c5dc44bff",
        "lessThan": "3a967c498baa976b11d4800dda224c507416e97c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb1ac9ff6c4a5720b1a1476233be374c5dc44bff",
        "lessThan": "f723ccaff2fb72b71ae8a9fd283f0dee4d9ae7a3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/anycast.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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