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CVE-2026-89700 nfsd: validate sockaddr length per family in listener_set

🗓️ 11 Sep 2026 19:46:18Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

OOB read in Linux kernel nfsd listener_set when AF_INET6 sockaddr is shorter than required.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89700
11 Sep 202619:46
cve
euvd
EUVD
EUVD-2026-76612
11 Sep 202619:46
euvd
nvd
NVD
CVE-2026-89700
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90416
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89700
11 Sep 202623:34
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfsctl.c"
    ],
    "versions": [
      {
        "version": "16a471177496c8e04a9793812c187a2c1a2192fa",
        "lessThan": "2aca70c18c5f5d06004122861fb151d5fcc57faf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "16a471177496c8e04a9793812c187a2c1a2192fa",
        "lessThan": "22d0e4752ca88fd84196d22ebeedc905e6540440",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "16a471177496c8e04a9793812c187a2c1a2192fa",
        "lessThan": "bdcc85c2b05a9378d8bd2d65f9fc41440a3cf464",
        "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/nfsd/nfsctl.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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