Description: Accepting plaintext data frames in protected networks
References:
 https://papers.mathyvanhoef.com/usenix2021.pdf
 https://www.fragattacks.com/
 https://lore.kernel.org/linux-wireless/20210511180259.159598-1-johannes@sipsolutions.net/
Notes:
 carnil> Needs to be checked if this really has a fix in Linux.
 bwh> I don't think this bug was present in mac80211, but individual
 bwh> drivers or firmware might be affected.  The same issue was found
 bwh> earlier in some vendor drivers which were assigned
 bwh> CVE-2019-18989, CVE-2019-18990, and CVE-2019-18991:
 bwh> https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/
Bugs:
upstream: N/A "Found in firmware, not kernel or drivers"
6.1-upstream-stable: N/A "Found in firmware, not kernel or drivers"
5.10-upstream-stable: N/A "Found in firmware, not kernel or drivers"
4.19-upstream-stable: N/A "Found in firmware, not kernel or drivers"
4.9-upstream-stable: N/A "Found in firmware, not kernel or drivers"
sid: N/A "Found in firmware, not kernel or drivers"
6.1-bookworm-security: N/A "Found in firmware, not kernel or drivers"
5.10-bullseye-security: N/A "Found in firmware, not kernel or drivers"
4.19-buster-security: N/A "Found in firmware, not kernel or drivers"
4.9-stretch-security: N/A "Found in firmware, not kernel or drivers"