CVE-2021-33110 Denial of service in Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11
Unauthenticated adjacent attackers can cause denial of service in Intel and Killer Bluetooth drivers on Windows due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33110?
CVE-2021-33110 is a medium-severity denial of service vulnerability in Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11, published on 9 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper input validation for some Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11 before version 22.80 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
Weakness: CWE-20
Which versions are affected by CVE-2021-33110?
It affects 15 products.
Products include Intel Ac 1550 Firmware, Intel Ac 3165 Firmware, Intel Ac 3168 Firmware, Intel Ac 7265 Firmware, Intel Ac 8260 Firmware, Intel Ac 8265 Firmware and 9 more.
How do I fix CVE-2021-33110?
No fix has been published for CVE-2021-33110 yet. Limit exposure of the affected software until one is available.
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-2021-33110 being exploited?
There is no known exploitation of CVE-2021-33110 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11
Sources
Also known as GHSA-c3fq-5967-8fmf, UBUNTU-CVE-2021-33110.