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CVE-2024-46672 (GCVE-0-2024-46672)

Vulnerability from cvelistv5 – Published: 2024-09-11 15:14 – Updated: 2026-05-11 20:34
VLAI
Title
wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion wpa_supplicant 2.11 sends since 1efdba5fdc2c ("Handle PMKSA flush in the driver for SAE/OWE offload cases") SSID based PMKSA del commands. brcmfmac is not prepared and tries to dereference the NULL bssid and pmkid pointers in cfg80211_pmksa. PMKID_V3 operations support SSID based updates so copy the SSID.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-29 15:45 UTC
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a96202acaea47fa8377088e0952bb63bd02a3bab , < 4291f94f8c6b01505132c22ee27b59ed27c3584f (git)
Affected: a96202acaea47fa8377088e0952bb63bd02a3bab , < 1f566eb912d192c83475a919331aea59619e1197 (git)
Affected: a96202acaea47fa8377088e0952bb63bd02a3bab , < 2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 6.6.48 , ≤ 6.6.* (semver)
Unaffected: 6.10.7 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46672\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T15:45:18.869945Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T15:45:22.952Z\"}}], \"cna\": {\"title\": \"wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"a96202acaea47fa8377088e0952bb63bd02a3bab\", \"lessThan\": \"4291f94f8c6b01505132c22ee27b59ed27c3584f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a96202acaea47fa8377088e0952bb63bd02a3bab\", \"lessThan\": \"1f566eb912d192c83475a919331aea59619e1197\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a96202acaea47fa8377088e0952bb63bd02a3bab\", \"lessThan\": \"2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.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\": \"6.6.48\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4291f94f8c6b01505132c22ee27b59ed27c3584f\"}, {\"url\": \"https://git.kernel.org/stable/c/1f566eb912d192c83475a919331aea59619e1197\"}, {\"url\": \"https://git.kernel.org/stable/c/2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion\\n\\nwpa_supplicant 2.11 sends since 1efdba5fdc2c (\\\"Handle PMKSA flush in the\\ndriver for SAE/OWE offload cases\\\") SSID based PMKSA del commands.\\nbrcmfmac is not prepared and tries to dereference the NULL bssid and\\npmkid pointers in cfg80211_pmksa. PMKID_V3 operations support SSID based\\nupdates so copy the SSID.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.48\", \"versionStartIncluding\": \"6.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.7\", \"versionStartIncluding\": \"6.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"6.4\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:34:10.143Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-46672\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:34:10.143Z\", \"dateReserved\": \"2024-09-11T15:12:18.247Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-11T15:14:01.512Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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