CVE-2026-68407 (GCVE-0-2026-68407)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:04 – Updated: 2026-08-19 16:35
VLAI
Title
wifi: nl80211: free RNR data on MBSSID mismatch
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 56189d7bc30531def6b999f27940ee43c6ff2569 , < 4b76fc30c80b240107a7de3c7560113c9290eafc (git)
Affected: dbbb27e183b1568d5a907ace1cd144b0709ea52a , < fa9592ef7de11f8c7042315d9bc20e91a97f679e (git)
Affected: dbbb27e183b1568d5a907ace1cd144b0709ea52a , < 312c8b9d7836ef58e552619a8c19be08b04032bb (git)
Affected: dbbb27e183b1568d5a907ace1cd144b0709ea52a , < fb052a6e2fa866384d8edc237746583ec94c15af (git)
Affected: dbbb27e183b1568d5a907ace1cd144b0709ea52a , < 6f919f29e9b75793104709987131b8d910d7800a (git)
Affected: dbbb27e183b1568d5a907ace1cd144b0709ea52a , < 07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c (git)
Affected: 6.1.160 , < 6.1.183 (semver)
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Linux Linux Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 6.1.183 , ≤ 6.1.* (semver)
Unaffected: 6.6.148 , ≤ 6.6.* (semver)
Unaffected: 6.12.101 , ≤ 6.12.* (semver)
Unaffected: 6.18.42 , ≤ 6.18.* (semver)
Unaffected: 7.1.6 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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          "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"
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        {
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      "title": "wifi: nl80211: free RNR data on MBSSID mismatch",
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    "datePublished": "2026-08-10T12:04:27.252Z",
    "dateReserved": "2026-07-30T09:28:09.390Z",
    "dateUpdated": "2026-08-19T16:35:02.178Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-13T23:22:23+00:00",
      "cve": "CVE-2026-68407",
      "id": "CVE-2026-68407",
      "initial_release_date": "2026-08-10T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "44",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: nl80211: free RNR data on MBSSID mismatch",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68407.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-08-13T16:22:06Z",
      "cve": "CVE-2026-68407",
      "id": "CVE-2026-68407",
      "initial_release_date": "2026-08-13T16:22:06Z",
      "product_status:known_affected": "30",
      "product_status:known_not_affected": "266",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68407",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68407.json",
      "version": "2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.