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CVE-2026-68407

Estado: RecibidaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

wifi: nl80211: free RNR data on MBSSID mismatch

nl80211_parse_beacon() rejects EMA RNR data when there are fewer RNR entries than MBSSID entries.

The rejected RNR allocation has not been attached to the beacon data yet, so free it before returning the error.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-68407",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "56189d7bc30531def6b999f27940ee43c6ff2569",
              "lessThan": "4b76fc30c80b240107a7de3c7560113c9290eafc",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "lessThan": "fa9592ef7de11f8c7042315d9bc20e91a97f679e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "lessThan": "312c8b9d7836ef58e552619a8c19be08b04032bb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "lessThan": "fb052a6e2fa866384d8edc237746583ec94c15af",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "lessThan": "6f919f29e9b75793104709987131b8d910d7800a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "lessThan": "07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6.1.160",
              "lessThan": "6.1.183",
              "versionType": "semver"
            }
          ],
          "programFiles": [
            "net/wireless/nl80211.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.4"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/wireless/nl80211.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-10T13:20:34.290",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/312c8b9d7836ef58e552619a8c19be08b04032bb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4b76fc30c80b240107a7de3c7560113c9290eafc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6f919f29e9b75793104709987131b8d910d7800a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fa9592ef7de11f8c7042315d9bc20e91a97f679e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fb052a6e2fa866384d8edc237746583ec94c15af",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: free RNR data on MBSSID mismatch\n\nnl80211_parse_beacon() rejects EMA RNR data when there are fewer RNR\nentries than MBSSID entries.\n\nThe rejected RNR allocation has not been attached to the beacon data yet,\nso free it before returning the error."
    }
  ],
  "lastModified": "2026-08-19T17:20:48.570",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}