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CVE-2026-52916 batman-adv: frag: disallow unicast fragment in fragment

🗓️ 24 Jun 2026 07:14:13Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Disallow unicast fragment in BATMAN-adv to prevent nested fragmentation and stack exhaustion.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/batman-adv/fragmentation.c"
    ],
    "versions": [
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "0c208fa3859e3a33a1c38bebc41d021166e94ac8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "bcda4814dc6524283c0b958882cb963d75fe411d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "aea54d0bbe156d5ab7d00d68f66149ff41f4612a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "b54e459cf86943583c1aa2ee3081874e7ab1f5f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "5418be6c2e117bf8a316582795a8e3ff90f45e5d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "5895ad21c7059a652da83fb817510f7a1e962abf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "7138c35c9ad39a2fca6264af6b87466471f04ffc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "610bfc6bc99bc83680d190ebc69359a05fc7f605",
        "lessThan": "bc62216dc8e221e3781afa14430f45208bfa9af9",
        "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/batman-adv/fragmentation.c"
    ],
    "versions": [
      {
        "version": "3.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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