In the Linux kernel, the following vulnerability has been resolved:

wifi: nl80211: reject oversized EMA RNR lists

nl80211_parse_rnr_elems() stores the parsed element count in a
u8-backed cfg80211_rnr_elems::cnt field and uses that count to size
the flexible array allocation.

Reject nested NL80211_ATTR_EMA_RNR_ELEMS input once the count reaches
255, before incrementing it again. This keeps the parser aligned with
the data structure it fills and matches the existing bound check used
by nl80211_parse_mbssid_elems().

https://git.kernel.org/stable/c/265c07c09c837621730d35f02975207a1224bf05

https://git.kernel.org/stable/c/30c3fa80f423613efdda3deca4af52ff7d20e4e2

https://git.kernel.org/stable/c/4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1

https://git.kernel.org/stable/c/688fcac7054abc680c0eef753f2bb772cfaf8cf7

https://git.kernel.org/stable/c/ecbf3c45add30a0857414e156bdb9c79906f0ff6

https://git.kernel.org/stable/c/fc0ec2fc02dfe52c5821f36fbccf6a45df43f508

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