CVE-2020-26147 log

Source
Severity Medium
Remote Yes
Type Insufficient validation
Description
An issue was discovered in the Linux kernel before version 5.12.9. 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.
Group Package Affected Fixed Severity Status Ticket
AVG-2034 linux-lts 5.10.41-1 5.10.42-1 Medium Fixed
AVG-2033 linux-hardened 5.12.7.hardened1-1 5.12.9.hardened1-1 Medium Fixed
AVG-2032 linux-zen 5.12.8.zen1-1 5.12.9.zen1-1 Medium Fixed
AVG-2031 linux 5.12.8.arch1-1 5.12.9.arch1-1 Medium Fixed
References
https://www.openwall.com/lists/oss-security/2021/05/11/12
https://papers.mathyvanhoef.com/usenix2021.pdf
https://www.fragattacks.com/
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.12.9&id=083ecdde0e861bed1189be90d83b0297f4135e78
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.42&id=f7829b014bb670a77f6f66d265b058534367d04b