CVE-2025-71100

Summary

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]'

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 9765d6eb8298b07d499cdf9ef7c237d3540102d6affected
LinuxLinux8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 90a15ff324645aa806d81fa349497cd964861b66affected
LinuxLinux8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < dd39edb445f07400e748da967a07d5dca5c5f96eaffected
LinuxLinux6.9affected
LinuxLinux0 < 6.9unaffected
LinuxLinux6.12.64 <= 6.12.*unaffected
LinuxLinux6.18.4 <= 6.18.*unaffected
LinuxLinux6.19 <= *unaffected

Weaknesses

References