CVE-2020-26142

NameCVE-2020-26142
DescriptionAn issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1undetermined
stretch (security)4.9.272-2undetermined
buster4.19.194-1undetermined
buster (security)4.19.194-3undetermined
bookworm, sid, bullseye5.10.46-4undetermined

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)undetermined

Notes

https://papers.mathyvanhoef.com/usenix2021.pdf
https://www.fragattacks.com/
https://lore.kernel.org/linux-wireless/20210511180259.159598-1-johannes@sipsolutions.net/

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