CVE-2026-68407 (GCVE-0-2026-68407)
Vulnerability from cvelistv5
Published
2026-08-10 12:04
Modified
2026-08-19 16:35
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.
Impacted products
Vendor Product Version
Linux Linux Version: 56189d7bc30531def6b999f27940ee43c6ff2569
Version: dbbb27e183b1568d5a907ace1cd144b0709ea52a
Version: dbbb27e183b1568d5a907ace1cd144b0709ea52a
Version: dbbb27e183b1568d5a907ace1cd144b0709ea52a
Version: dbbb27e183b1568d5a907ace1cd144b0709ea52a
Version: dbbb27e183b1568d5a907ace1cd144b0709ea52a
Version: 6.1.160   
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.183",
                  "versionStartIncluding": "6.1.160",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.148",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.101",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.42",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.6",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:35:02.178Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4b76fc30c80b240107a7de3c7560113c9290eafc"
        },
        {
          "url": "https://git.kernel.org/stable/c/fa9592ef7de11f8c7042315d9bc20e91a97f679e"
        },
        {
          "url": "https://git.kernel.org/stable/c/312c8b9d7836ef58e552619a8c19be08b04032bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb052a6e2fa866384d8edc237746583ec94c15af"
        },
        {
          "url": "https://git.kernel.org/stable/c/6f919f29e9b75793104709987131b8d910d7800a"
        },
        {
          "url": "https://git.kernel.org/stable/c/07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c"
        }
      ],
      "title": "wifi: nl80211: free RNR data on MBSSID mismatch",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68407",
    "datePublished": "2026-08-10T12:04:27.252Z",
    "dateReserved": "2026-07-30T09:28:09.390Z",
    "dateUpdated": "2026-08-19T16:35:02.178Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…