CVE-2025-71100 — Improper Validation of Array Index in Linux
Severity
7.8HIGHNVD
EPSS
0.0%
top 95.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 13
Latest updateApr 17
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]'
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages8 packages
▶CVEListV5linux/linux8ca4cdef93297c9b9bf08da39bc940bd20acbb94 — 9765d6eb8298b07d499cdf9ef7c237d3540102d6+3
Patches
🔴Vulnerability Details
3GHSA▶
GHSA-2jh5-q7j2-v3r6: In the Linux kernel, the following vulnerability has been resolved:
wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()
TID gettin↗2026-01-13
OSV▶
CVE-2025-71100: 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↗2026-01-13
📋Vendor Advisories
5Debian▶
CVE-2025-71100: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwi...↗2025