2024-12-14 23:03:44 +00:00

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{
"id": "CVE-2024-49929",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-10-21T18:15:14.907",
"lastModified": "2024-12-14T21:15:30.213",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: avoid NULL pointer dereference\n\niwl_mvm_tx_skb_sta() and iwl_mvm_tx_mpdu() verify that the mvmvsta\npointer is not NULL.\nIt retrieves this pointer using iwl_mvm_sta_from_mac80211, which is\ndereferencing the ieee80211_sta pointer.\nIf sta is NULL, iwl_mvm_sta_from_mac80211 will dereference a NULL\npointer.\nFix this by checking the sta pointer before retrieving the mvmsta\nfrom it. If sta is not NULL, then mvmsta isn't either."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: iwlwifi: mvm: evitar la desreferencia del puntero NULL iwl_mvm_tx_skb_sta() e iwl_mvm_tx_mpdu() verifican que el puntero mvmvsta no sea NULL. Recupera este puntero utilizando iwl_mvm_sta_from_mac80211, que est\u00e1 desreferenciando el puntero ieee80211_sta. Si sta es NULL, iwl_mvm_sta_from_mac80211 desreferenciar\u00e1 un puntero NULL. Solucione esto comprobando el puntero sta antes de recuperar el mvmsta de \u00e9l. Si sta no es NULL, entonces mvmsta tampoco lo es."
}
],
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{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
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