Vulnerability in Linux

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 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]'

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-71100: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 8ca4cdef93297c9b9bf08da39bc940bd20acbb94, 6.9, 0
  • Linux Kernel — versions 6.9, 6.19

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-71100?
CVE-2025-71100 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 7.6/10. Published 2026-01-13.
How severe is CVE-2025-71100?
High severity. CVSS v3 base score is 7.6 out of 10.