CVE-2019-17666 Memory corruption in n/a
A buffer overflow in the Linux kernel's Realtek Wi-Fi driver allows attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-17666?
CVE-2019-17666 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 17 Oct 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-120
Which versions are affected by CVE-2019-17666?
It affects 3 products.
Linux distribution packages (40)
kernel Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-abi-whitelists Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug-debuginfo Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug-devel Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debuginfo Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debuginfo-common-x86_64 Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-devel Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-doc Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools-debuginfo Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools-libs Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools-libs-devel Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
perf Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
perf-debuginfo Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
python-perf Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
python-perf-debuginfo Red Hat:rhel_aus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-abi-whitelists Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-bootwrapper Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug-debuginfo Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug-devel Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debuginfo Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debuginfo-common-ppc64le Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debuginfo-common-x86_64 Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-devel Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-doc Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools-debuginfo Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools-libs Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-tools-libs-devel Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
perf Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
perf-debuginfo Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
python-perf Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
python-perf-debuginfo Red Hat:rhel_e4s:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel Red Hat:rhel_tus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-abi-whitelists Red Hat:rhel_tus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug Red Hat:rhel_tus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
kernel-debug-debuginfo Red Hat:rhel_tus:7.3::server | All versions | 0:3.10.0-514.74.1.el7 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.
How do I fix CVE-2019-17666?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-17666 being exploited?
There is no known exploitation of CVE-2019-17666 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-17666, GHSA-wcxr-pc79-vh4x, MGASA-2019-0306, RHSA-2020:1473, UBUNTU-CVE-2019-17666.