CVE-2021-23168 Denial of service in Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products
An out-of-bounds read in Intel and Killer WiFi drivers allows unauthenticated adjacent attackers to cause a denial of service.
- 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-2021-23168?
CVE-2021-23168 is a medium-severity denial of service vulnerability in Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products, published on 18 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.
Weakness: CWE-125
Which versions are affected by CVE-2021-23168?
It affects 18 products.
Products include Intel Dual Band Wireless-Ac 3165 Firmware, Intel Dual Band Wireless-Ac 3168 Firmware, Intel Dual Band Wireless-Ac 8260 Firmware, Intel Dual Band Wireless-Ac 8265 Firmware, Intel Killer Ac 1550 Firmware, Intel Killer Wi-Fi 6 Ax1650 Firmware and 12 more.
How do I fix CVE-2021-23168?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-23168 being exploited?
There is no known exploitation of CVE-2021-23168 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products
- CVE-2020-12321 Privilege escalation in Intel(R) Wireless Bluetooth(R)
- CVE-2019-11152 Memory corruption in Intel(R) WIFI Drivers and Intel(R) PROSet/Wireless WiFi Software extension DLL
- CVE-2021-33847 Memory corruption in Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products
- CVE-2019-11151 Memory corruption in Intel(R) WIFI Drivers and Intel(R) PROSet/Wireless WiFi Software extension DLL
- CVE-2021-23179 Information disclosure in Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products
Sources
Also known as DEBIAN-CVE-2021-23168, GHSA-2qgc-gr4q-7mjq.