CVE-2025-71100
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc() TID getting from ieee80211_get_tid() might be out of range of array size of sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise, UBSAN warn: UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30 index 10 is out of range for type 'rtl_tid_data [9]'
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-01-13 16:16:09.920000
Last modified
2026-10-19 19:17:12.097000
View original CVE JSON
{
"id": "CVE-2025-71100",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-01-13T16:16:09.920",
"lastModified": "2026-10-19T19:17:12.097",
"vulnStatus": "Modified",
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()\n\nTID getting from ieee80211_get_tid() might be out of range of array size\nof sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise,\nUBSAN warn:\n\n UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30\n index 10 is out of range for type 'rtl_tid_data [9]'"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:\n\nwifi: rtlwifi: 8192cu: solución a tid fuera de rango en rtl92cu_tx_fill_desc()\n\nEl TID obtenido de ieee80211_get_tid() podría estar fuera del rango del tamaño del array de sta_entry->tids[], por lo tanto, se verifica que el TID sea menor que MAX_TID_COUNT. De lo contrario, UBSAN advierte:\n\n UBSAN: índice de array fuera de límites en drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30\n el índice 10 está fuera de rango para el tipo 'rtl_tid_data [9]'"
}
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