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ubuntucveUbuntu.comUB:CVE-2024-26682
HistoryApr 02, 2024 - 12:00 a.m.

CVE-2024-26682

2024-04-0200:00:00
ubuntu.com
ubuntu.com
5
linux kernel
wifi vulnerability
cve-2024-26682
connection refusal
csa
ecsa
probe response
ap
cfg80211
channel switching
quiet mode

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

In the Linux kernel, the following vulnerability has been resolved: wifi:
mac80211: improve CSA/ECSA connection refusal As mentioned in the previous
commit, we pretty quickly found that some APs have ECSA elements stuck in
their probe response, so using that to not attempt to connect while CSA is
happening we never connect to such an AP. Improve this situation by
checking more carefully and ignoring the ECSA if cfg80211 has previously
detected the ECSA element being stuck in the probe response. Additionally,
allow connecting to an AP that’s switching to a channel it’s already using,
unless it’s using quiet mode. In this case, we may just have to adjust
bandwidth later. If it’s actually switching channels, it’s better not to
try to connect in the middle of that.

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

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