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CVE-2026-64137 smb: client: require net admin for CIFS SWN netlink

🗓️ 19 Jul 2026 15:40:31Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Linux kernel SMB client requires net admin for CIFS SWN netlink notifications and multicast joins.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/netlink.c"
    ],
    "versions": [
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "9cf7eb8919344932f909b2fac76296f7656fda8d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "9919021a3b7974ae66a5f9915e3a48c10cfd409b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "969bc6370334a5b4720c5470783295d6484bbc95",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "a3238b09c58f323e40743ce174cd0ab81b5c09ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "a8d17d22db591099519a89f14dd24810daba74c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "c2397b93fbb6f44a788fff30f99be2c20cc5e50f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fed979a7e082bd9f25f9002c3c4f8740dacd0bc8",
        "lessThan": "d1ebfce2c1d161186a82e77590bf7da2ea1bce91",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/netlink.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "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": "6.6.143",
        "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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