FKIE_CVE-2025-40187

Vulnerability from fkie_nvd - Published: 2025-11-12 22:15 - Updated: 2026-06-17 09:21
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then the variable ai_ev remains zero and the zero will be dereferenced in the sctp_ulpevent_free() function.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/sctp/sm_statefuns.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1014b83778c8677f1d7a57c26dc728baa801ac62",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "7f702f85df0266ed7b5bab81ba50394c92f3c928",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "dbceedc0213e75bf3e9f9f9e2f66b10699d004fe",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "025419f4e216a3ae0d0cec622262e98e8078c447",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "c21f45cfa4a9526b34d76b397c9ef080668b6e73",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "d0e8f1445c19b1786759ba72a38267e1449bab7e",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "badbd79313e6591616c1b78e29a9b71efed7f035",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            },
            {
              "lessThan": "2f3119686ef50319490ccaec81a575973da98815",
              "status": "affected",
              "version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/sctp/sm_statefuns.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.17"
            },
            {
              "lessThan": "4.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.301",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.246",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.195",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.157",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()\n\nIf new_asoc-\u003epeer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0\nand sctp_ulpevent_make_authkey() returns 0, then the variable\nai_ev remains zero and the zero will be dereferenced\nin the sctp_ulpevent_free() function."
    }
  ],
  "id": "CVE-2025-40187",
  "lastModified": "2026-06-17T09:21:25.640",
  "metrics": {},
  "published": "2025-11-12T22:15:45.577",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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