CVE-2026-98704: falha em Linux
wifi: mac80211: keep fallback association elements alive
Publicada em · Atualizada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 94% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: keep fallback association elements alive
Associating to a non-transmitted MBSSID profile reads freed memory while
determining the operating channel and applying HT capabilities.
When an association response omits WMM, HT, or VHT information,
ieee80211_assoc_config_link() parses the cached BSS IEs and copies the
missing element pointers out of that fallback parse. For a
non-transmitted MBSSID profile those pointers refer to merged-profile
storage owned by the parse object, and the fallback block frees that
object at its end. The copied pointers are used afterwards to determine
the operating channel, configure bandwidth, and apply HT capabilities.
Keep the fallback parse result alive until association setup finishes.
[reorder variable declaration]
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Referências
https://git.kernel.org/stable/c/0878594c5806dd29fa5e16cc026ce19158afdad2https://git.kernel.org/stable/c/1d9644753d46c86b4e5c05bd6d9d35339ea27331https://git.kernel.org/stable/c/a10a2f80476d166fd81c361ec0319493671b694ehttps://git.kernel.org/stable/c/d0183cd1f6a2dba9e63be20af2f65093c9c8d121https://git.kernel.org/stable/c/de77b0f68142147e74fac1c497dbe1f93daeeed9