FKIE_CVE-2026-68407

Vulnerability from fkie_nvd - Published: 2026-08-10 13:20 - Updated: 2026-08-19 17:20
Severity
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/312c8b9d7836ef58e552619a8c19be08b04032bb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b76fc30c80b240107a7de3c7560113c9290eafc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6f919f29e9b75793104709987131b8d910d7800a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fa9592ef7de11f8c7042315d9bc20e91a97f679e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fb052a6e2fa866384d8edc237746583ec94c15af
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/wireless/nl80211.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4b76fc30c80b240107a7de3c7560113c9290eafc",
              "status": "affected",
              "version": "56189d7bc30531def6b999f27940ee43c6ff2569",
              "versionType": "git"
            },
            {
              "lessThan": "fa9592ef7de11f8c7042315d9bc20e91a97f679e",
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "versionType": "git"
            },
            {
              "lessThan": "312c8b9d7836ef58e552619a8c19be08b04032bb",
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "versionType": "git"
            },
            {
              "lessThan": "fb052a6e2fa866384d8edc237746583ec94c15af",
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "versionType": "git"
            },
            {
              "lessThan": "6f919f29e9b75793104709987131b8d910d7800a",
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "versionType": "git"
            },
            {
              "lessThan": "07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c",
              "status": "affected",
              "version": "dbbb27e183b1568d5a907ace1cd144b0709ea52a",
              "versionType": "git"
            },
            {
              "lessThan": "6.1.183",
              "status": "affected",
              "version": "6.1.160",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/wireless/nl80211.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.4"
            },
            {
              "lessThan": "6.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "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\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."
    }
  ],
  "id": "CVE-2026-68407",
  "lastModified": "2026-08-19T17:20:48.570",
  "metrics": {},
  "published": "2026-08-10T13:20:34.290",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "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"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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