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CVE-2026-23397 nfnetlink_osf: validate individual option lengths in fingerprints

🗓️ 26 Mar 2026 10:22:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

Linux kernel fix nfnetlink_osf: validate fingerprint option lengths to prevent null dereference.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nfnetlink_osf.c"
    ],
    "versions": [
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "e9cf17b91e733fec725ebcc0b3098bc5ccd505e0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "3c11b5c2436a3a5b450612ab160e3a525b28cfb5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "aa0574182c46963c3cdb8cde46ec93aca21100d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "224f4678812e1a7bc8341bcb666773a0aec5ea6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "ec8bf0571b142f29dc0b68ae2ac3952f7a464b38",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "3932620c04c2938c93c0890c225960d3d34ba355",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "4c6aa008b913e808c4f4d3cde36cb1d9bb5967c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11eeef41d5f63c7d2f7fdfcc733eb7fb137cc384",
        "lessThan": "dbdfaae9609629a9569362e3b8f33d0a20fd783c",
        "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/netfilter/nfnetlink_osf.c"
    ],
    "versions": [
      {
        "version": "2.6.31",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.31",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.20",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.10",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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