CVE-2019-17666: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 3% chance of exploitation in the next 30 days.

rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a certain upper-bound check, leading to a buffer overflow.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 19.04 only; version 19.10 only
• Debian Debian Linux: version 8.0 only
• Linux Linux Kernel: before 3.16.77 (fixed in 3.16.77); from 3.17, before 4.4.199 (fixed in 4.4.199); from 4.5, before 4.9.199 (fixed in 4.9.199); from 4.10, before 4.14.152 (fixed in 4.14.152); from 4.15, before 4.19.82 (fixed in 4.19.82); from 4.20, before 5.2 (fixed in 5.2); …

Published 2019-10-17. Last modified 2026-06-17.