CVE-2020-26147 Other in n/a
Attackers can inject packets or exfiltrate data by exploiting Wi-Fi fragment reassembly flaws in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-26147?
CVE-2020-26147 is a medium-severity vulnerability in Debian Debian Linux, published on 11 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.
Which versions are affected by CVE-2020-26147?
It affects 8 products.
Products include Arista C-65 Firmware, Arista C-75 Firmware, Arista O-90 Firmware, Arista W-68 Firmware, Debian Debian Linux, Linux kernel and 2 more.
How do I fix CVE-2020-26147?
Apply the vendor's patch.
Is CVE-2020-26147 being exploited?
There is no known exploitation of CVE-2020-26147 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2020-26147, GHSA-f393-4p85-6h6g, UBUNTU-CVE-2020-26147.