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CVE-2025-40129 sunrpc: fix null pointer dereference on zero-length checksum

🗓️ 12 Nov 2025 10:23:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Linux kernel sunrpc fix null pointer dereference by requiring checksum length not less than an XDR unit.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sunrpc/auth_gss/svcauth_gss.c"
    ],
    "versions": [
      {
        "version": "0653028e8f1c97fec30710813a001ad8a2ec34f4",
        "lessThan": "81cec07d303186d0d8c623ef8b5ecd3b81e94cf6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0653028e8f1c97fec30710813a001ad8a2ec34f4",
        "lessThan": "affc03d44921f493deaae1d33151e3067a6f9f8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0653028e8f1c97fec30710813a001ad8a2ec34f4",
        "lessThan": "ab9a70cd2386a0d70c164b0905dd66bc9af52e77",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0653028e8f1c97fec30710813a001ad8a2ec34f4",
        "lessThan": "6df164e29bd4e6505c5a2e0e5f1e1f6957a16a42",
        "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/sunrpc/auth_gss/svcauth_gss.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.112",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.53",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.3",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:43Current
EPSS0.00174
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