{"id":"CVE-2025-71100","title":"wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()","summary":"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…","severity":"high","cvss":7.6,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 9765d6eb8298b07d499cdf9ef7c237d3540102d6","Linux >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 90a15ff324645aa806d81fa349497cd964861b66","Linux >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < dd39edb445f07400e748da967a07d5dca5c5f96e","Linux 6.9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T15:05:46.666699Z"},"published":"2026-01-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:09:46.511Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71100","references":[{"url":"https://git.kernel.org/stable/c/9765d6eb8298b07d499cdf9ef7c237d3540102d6"},{"url":"https://git.kernel.org/stable/c/90a15ff324645aa806d81fa349497cd964861b66"},{"url":"https://git.kernel.org/stable/c/dd39edb445f07400e748da967a07d5dca5c5f96e"}],"tags":["cve.org"],"epss":0.00193,"epssPercentile":0.08355,"ingestedAt":"2026-10-16T17:24:46.634Z","slug":"CVE-2025-71100","body":"## Overview\n\nIn 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]'\n\n## Affected\n\n- `Linux >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 9765d6eb8298b07d499cdf9ef7c237d3540102d6`\n- `Linux >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 90a15ff324645aa806d81fa349497cd964861b66`\n- `Linux >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < dd39edb445f07400e748da967a07d5dca5c5f96e`\n- `Linux 6.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}