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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:
5.10-upstream-stable:
4.19-upstream-stable:
4.9-upstream-stable:
sid:
5.10-bullseye-security:
4.19-buster-security:
4.9-stretch-security:
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