0.0
NA
CVE-2026-53182
wifi: nl80211: reject oversized EMA RNR lists
Description

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().

INFO

Published Date :

June 25, 2026, 8:38 a.m.

Last Modified :

June 25, 2026, 8:38 a.m.

Remotely Exploit :

No

Source :

Linux
Affected Products

The following products are affected by CVE-2026-53182 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Reject oversized input in nl80211_parse_rnr_elems to prevent buffer issues.
  • Update the Linux kernel to a fixed version.
  • Apply patches addressing nl80211_parse_rnr_elems input handling.
  • Ensure EMA RNR lists do not exceed the 255 element limit.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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The following list is the news that have been mention CVE-2026-53182 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.